| 脳外科でよく使う薬 ||Analgesics/Sedatives || Antiobiotics|| Brain Abscesses and Meningitis|| Anticholinesterases|| Antacids|| Anticoagulants|| Antidiarhheals|| Anti-emetics|| Antiepileptics|| Bronchodilators|| Cardiovascular|| H2-Antagonists|| Laxatives/Stool Softeners|| Muscle Relaxants|| Steroids|| Miscellaneous|| 鎮痛剤及び鎮静剤: Acetaminophen (Tylenol);Analgesic, antipyretic effects; 弱抗炎症作用 軽い痛みや熱に使用、Hepatic metabolism and renal excretion、Half-life 2 hr 大人; 325-650 mg PO/PR q4-6h、 小児; 10mg/kg PO/PR q4-6h 副作用; rash, drug fever, thrombocytopenia, nephrotoxicity, hepatotoxicity Chloral Hydrate ;沈静作用、肝代謝; renal/bile excretion Onset 30-60min after PO 、大人;1000 - 2000 mg PO/PR q6h 小児;25 - 100 mg/kg/dose PO/PR; may repeat half the dose once if no effect in 1 hour 副作用; GI upset, rash, leukopenia, MS alterations, acute intermittent porphyria, 低血圧, respiratory/myocardial depression, coma Codeine ;摘要は mild/mod pain, antitussive, Onset 15-20 min PO, IM もっと速い; Duration 4-6h 肝代謝(10% to Morphine), renal excretion、Half-life 2.5h PO, 3.5h IM 痛み;adult 15-60mg PO/SC/IM q4h Tylenol#3 1-2 tab PO q4-6h,小児 0.2 - 1 mg/kg PO/SC/IM q4-6h,Antitussive (容量下限) Morphine 10mg IM = codeine 100mg IM 副作用:呼吸抑制, drowsiness, N/V, 便秘, 静注すれば低血圧 Fentanyl (フェンタネスト) ;Opiod agonist 75 - 125 times more potent than morphine 摘要;as adjunct in anesthesia, pain control ( esp 潜在的に血行力学的に不安定な患者に 肝代謝, renal/fecal 排泄、Onset rapid IV, 10-15 min IM、Duration 1hr,Half-life 220 min (短い効果期間に 脂肪や筋に再分布する; 10- 20 ug/kg以上で使われた時 を除く) Sedation/analgesia 1-2 ug/kg as single dose or /hr IV gtt 副作用;呼吸抑制, 遅脈, seizures, ICP上昇の可能性, 骨格筋固縮,便秘, rash, 尿閉 Ibuprofen (ブルフェン, Advil, Nuprin) ;cyclooxygenase とprostaglandin 合成を阻害 摘要; mild/mod pain, as antiinflammatory or occ as antipyretic Hepatic metabolism, renal excretion、Half-life 2hr Analgesic: 200-400 mg q4-6h、Antiinflammatory: 1200-3200 mg/day divided tid-qid 副作用;GI upset, PUD/bleeding, allergic reaction, edema, inc LFT's,ARF Ketorolac Tromethamine (Toradol);Indicated as NSAID, and analgesic (mild-mod) Hepatic metabolism and renal excretion、Half-life 4-6h 30-60mg IM initially, then 15-30mg IM q6h New PO form availble 30mg tab (inc GI side effects) 副作用;気管支痙攣, GI upset/出血, 肝毒性, 腎毒性, 血小板凝集阻害(薬中止後24-48h 続く) Meperidine (塩酸ペチジン);麻薬誘導体 6-8 times less potent than morphine 摘要;mod-severe pain, postop shivering, 肝代謝と腎排泄,Half-life 3-4 hr Adult: 50 - 150 mg PO/IM/SC q3-4h; 20-40 mg IV slowly over minutes 10-20 mg IM for postop shivering Ped 0.5-1.5 mg/kg PO/IM/SC q3-4h 副作用;多幸, 眠気, 呼吸抑制, GI upset, 便秘,尿閉,低血圧, seizures, atropine様作用 , 大量でneg inotrope Midazolam (ドルミカム,Versed);Benzodiazepine with amnesic, 不安解消, 筋弛緩作用 摘要;鎮静.肝代謝と腎排泄.Onset 1-5 min IV, 15 min IM、Duration 1-4 hr IM, 30-60分 IV、Half-life 2-6hr 大人;1-4 mg IM/IV q2-6hr、小児; 0.035-0.1mg/kg/dose 副作用; 呼吸抑制, hypotension, confusion, oversedation, hypersensitivity Benzodiazepine拮抗薬: フルマゼニルFlumazenil 0.2mg IV followed by 0.1mg/min to 1mg(max 5mg total) Morphine ;Opiod agonist 摘要; mod/severe pain, 鎮静, 麻酔の補助薬, 肺浮腫中の血管拡張, MI; sympathetic outflow of "diencephalic fits"も削減する Hepatic metabolism, renal/bile excretion Onset minutes IV/IM, 15-60min IT; Peak 15min IV, 40 min IM Duration 3-5hr IV/IM, 24hr IT、Half-life 2-3hr IM/SC: Adult 5-10mg/70kg q4-6h ,小児 0.1-0.2mg/kg q4-6 IV: Adult 1-5mg q2-4h, Ped 0.1mg/kg q3-4h IT: 0.5-1.0 mg q18-24h 副作用;meperidineに似るがhistamine 放出もある, biliary spasm, ICP上昇の可能性, GI upset, addiction Oxycodone (パビナール,Percocet, Percodan);合成麻薬 、摘要; mod-severe pain 肝代謝, renal excretion、1-2 tab PO q4-6h、副作用;similar to morphine Percocet (5mg plus 325mg acetaminophen)、Percodan (4.5mg plus 325mg ASA) Propoxyphene (Darvon, Darvocet);合成麻薬、Mild-mod pain 肝臓で代謝, 腎臓排泄、1-2 tab PO q 4-6h、Adverse effects similar to morphine Darvon (32 and 65mg tab)、Darvocet-N100 (100mg plus 325mg acetominophen) -------------------------------------------------------------------------------- 抗生物質: Acyclovir (Zovirax); 摘要; HSV I and II, と 帯状疱疹VZV 感染症 腎臓で排泄、 血中半減期: 3.3 hr w/normal renal function もし免疫不全なら; w/ HSV250mg/m2 IV q8 x 7d、 w/ VZV500mg/m2 IV q8 x 7d もし免疫不全でない; w/HSV encephalitis 10 mg/kg IV q8 x 10dw/HSV genital 5 mg/kg IV q8 x 5d 副作用;静脈炎と腎機能障害 Amphotericin B (ファンギゾン,Fungizone);全身性真菌感染症に適用。胆道から排泄、 5%糖液に配合 全身感染に; start w/ test dose of 1mg IV over 2 hours then dose 0.25-1 mg/kg/day (ped) , 1-1.5 mg/kg/d (adult) 膀胱感染に; place 3-way foley catheter and use 50 mg/1 liter D5W/day as bladder irrigation x 5 days 副作用;nephrotoxicity, anemia, hypokalemia/hypomagnesemia, fever/rigors, GI upset Ampicillin (Omnipen) 効果;gm+ (not penicillinase-産生staph)好気性菌, とgm-(non-betalactamase-産生 H.influenza と 淋菌) 好気性菌, と嫌気性菌(not Bacteroides)、Renal elimination 大人: 500mg - 2 gm PO/IM/IV q4-6h、 小児: 100-200mg/kg/day IV/IM divided q6h 副作用; hypersensitivity and neurotoxicity Cefazolin (セファメジン,Ancef, Kefzol) Active against gm+(not enterococci, S. pneumoniae, streptococci) and gm- aerobes Poor CSF penetration、Renal elimination Adult: 0.5 - 1.5 gm IV/IM q6-8h、 Ped: 50-100 mg/kg/d divided q8h 副作用は ampicillinと同じ Cefotaxime (セフォタックス,Claforan) 効果; gm+(not enterococci or MRSA) と gm-( resistant Enterobacteriaceae と H.influenzaeは含むが P. aeruginosaは除く) aerobes、CSF 移行良好、Renal excretion 大人;1 - 2 gm IV/IM q4-6h 、小児;100-200 mg/kg/d IM/IV divided q6-8h 副作用; similar to other cephalosporins Ceftazidime (Fortaz) 効果;gm+(not enterococci or MRSA) とgm- (特にP. aeruginosa) aerobes と anaerobes(not Bacteroides)、 CSF移行良好、Renal excretion Adult: 0.5 - 2 gm IV/IM q8-12h、Ped: 100-150 mg/kg/d IM/IV divided q8h 副作用; similar to other cephalosporins Ceftriaxone (ロセフィンRocephin);Same spectrum as Ceftazidime except not P. aeruginosa Also treats Lyme borreliosis、Renal and biliary excretion、Good CSF penetration Adult: 0.5 - 1 gm IV/IM q12-24h、Ped: 50-100 mg/kg/d IV/IM divided q12-24h 副作用;similar to other cephalosporins Ciprofloxacin (シプロキサン、Cipro); 効果; staphylococci(MRSAを含む)とgm- aerobes (P. aeruginosa not other Pseudomonas類), some streptococci, not anaerobes 使用;resistant 尿路感染症, GI infections, STD's, 骨髄炎, skin/soft tissue 感染 Renal excretion、Poor CNS penetration Adult: 250 - 750 mg PO/IV q12h 副作用; GI upset, HA, restlessness, rash, theophylline elimination reduced Clindamycin (ダラシン、Cleocin); 効果; gm+ (not enterococci and MRSA) aerobesと most anaerobes (except C. difficile)but not gm- organisms Poor CSF penetration、Hepatic metabolism; renal excretion 大人;600 - 1200 mg/d PO/IV/IM divided q6-8h、小児;25-40 mg/kg/d IV/IM divided q6-8h 副作用; GI upset, diarrhea, rash, leukopenia, thrombocytopenia, eosinophilia Gentamicin (Garamycin) 効果;staph (not streptococci), enterococci (only w/ a penicillin or vancomycin)と多くのgm- aerobes (including Pseudomonas) but no anaerobes Renal excretion、Poor CNS penetration Adult/Ped: 1 - 1.7 mg/kg IV q8h maintenance, preceded by a loading dose of 2 mg/kg IV 腎機能障害では維持量を調節する、Obtain gent levels after 3rd or 4th dose Peak (< 10-12 ug/ml); Trough (< 1-2 ug/ml 副作用;ototoxicity, renal failure Imipenem (チェナム)と Cilastin (Primaxin) 効果;most gm+ とgm- aerobes and anaerobes plus Campylobacter, Yersinia, Nocardia,Mycobacteria, etc., but not enterococci or MRSA or Pseudomonas maltophilia or cepacia Renal metabolism and excretion、Adult: 0.5 - 1 gm IV q6-8h 副作用;rash, GI upset, phlebitis, hypotension, seizure activity Metronidazole (フラジール,Flagyl) 効果;protozoa(ie, トリコモナス, Amebiasis, Giardiasis, Leishmaniasis)とobligate anaerobes Also useful to treat C. difficile associated pseudomembranous colitis Hepatic metabolism-1/3, renal excretion、Excellent CSF penetration Adult: 7.5 mg/kg IV/PO q6h, 2 gm PO single dose for Trichomonas UTI 500 mg PO bid x 10d for Pseudomembranous colitis 副作用;Etoh intolerance, 痙攣, neuropathies, HA, 混迷, GI upset, leukopenia, dark urine Norfloxacin (バクシダール, Noroxin); Ciprofloxacin と同じ抗菌領域, 摘要;大人の UTI's、Hepatic metabolism and renal excretion、400 mg PO bid 副作用; GI upset, HA, dizziness Oxacillin (Prostaphlin);Antistaphylococcal activity、Renal excretion after partial metabolism 0.5 - 2 gm IV q4-6h adult、 25 - 35 mg/kg IV q4-6h pediatric 25 mg/kg IV for preop shunt prophylaxis in pediatric cases 1 gm IV for preop shunt prophylaxis in adult cases 副作用;hypersensitivity reactions, GI upset, cytopenias, drug-induced hepatitis Penicillin (Bicillin, Wycillin, Pen-Vee-K); 効果;gm+ aerobic cocci (streptococci, pneumococci), enterococci (w/aminoglycoside), all anaerobes (B.fragilis 族を除く) 特にActinomyces, non- penicillinase 産生staphylococci, spirochetes, meningo cocci, あるNeisseria種 es, Pasteurella, agents of rat bite fever Renal excretion Penicillin G Adult 0.5 - 1 gm PO q6h , Ped 6.25 - 12.5 mg/kg PO q6h Penicillin V Adult 0.25 - 0.5 gm PO q6h ,Ped 6.25 - 12.5 mg/kg PO q6h, Aqueous Penicillin G (K or Na) Meningitis or Endocarditis 18 - 24 million U/day IM/IV divided q4h Anaerobic Lung/Grp A Strept 8 - 12 million U/day IM/IV divided q4h Procaine Penicillin 300,000 - 4.8 million U/day IM divided q6-24h Benzathine Penicillin 2.4 million U IM single dose or weekly for 3 weeks for syphilis 副作用;過敏反応, 脳症,痙攣, coombs + rxn, 自己免疫, 腎毒性, cytopenias, Procaine rxn, GI upset Rifampin (Rifadin) 効果;Mycobacteria, gm+ (esp staph)とgm- (esp Neisseria species とH. influenzae) 菌 Synergistic w/other antibiotics in treating 異物感染症, endocarditis, legionellosis, 骨髄炎 600 mg/day PO single dose又は divided bid (Adult) 10 - 20 mg/kg/day PO single dose 又は divided bid (Ped) 副作用;肝毒性, アレルギー性と かぜ様症候群, "Red Lobster" syndrome w/overdose Decreases effect of many drugs Ticarcillin (チカルペニン)と Clavulanic Acid (Timentin) 効果;gm+ aerobes (incl staph), most gm- aerobes (incl P. aeruginosa) と anaerobes (incl B. fragilis)、 Renal excretion、Useful empirically w/ mixed infections Adult: 3.1 gm IV q4-6h 副作用; similar to other penicillins Tobramycin (トブラシン,Nebcin) 効果;Staph (not streptococci or pneumococci), enterococci (w/PCN or Vanco), most gm-aerobes (esp P. aeruginosa) but no anaerobes Renal excretion 、Poor CSF penetration 1 - 1.7 mg/kg IV/IM q8h (Adult)、2 - 2.5 mg/kg IV q8h (Ped) Loading dose of 2 mg/kg IV 80 mg IV as preop prophylactic in combination w/Vancomycin when adult patients are allergic to penicillins/cephalosporins 副作用; similar to Gentamicin (see above) 3〜4回投与後に薬容量を測る、頂点 5 - 12 ug/ml 谷 < 1 - 2 ug/ml Trimethoprim (バクタ)と Sulfamethoxazole (シノミン,Bactrim, Septra) 効果; most gm+ とgm- aerobes (some MRSA but not P. aeruginosa), but not anaerobes Useful in UTI's, 呼吸器感染, otitis, Pseudamonas other than aeruginosa, Nocardiosis, and GNR 髄膜炎 肝代謝と腎排泄、Excellent CSF penetration 大人: PO 160mg TMP/800mg SMX q12h IV 4 - 5 mg/kg (based on TMP) q6-12h Ped: PO/IV 4 - 5 mg/kg (based on TMP) q6-12h 副作用;痙攣, 肝毒, mental depression, GI upset, rash, cytopenias, 血清creatinine増加 Vancomycin (Vancocin) 効果;gm+ aerobes, 特にstaph (incl MRSA), 連鎖球菌, enterococci, Diphtheria, C.difficile- による腸炎、 Renal excretion Adult: PO 0.125 - 0.5 gm q6h IV 15 mg/kg q12h or 6.5 - 8 mg/kg q6h Ped: PO 12.5 mg/kg q6h , IV 10 mg/kg q6h Adjust for impaired renal function 副作用;アレルギー反応, 静脈炎, 熱, 耳と腎毒性, neutropenia, "Red Neck "症候群, 低血圧 Zidovudine (レトロビル、AZT) (Retrovir); 効果; human retroviruses、Good CNS penetration Adult: 200 mg PO q4h、reduce dose w/anemia or granulocytopenia 副作用; anemia, granulocytopenia, HA, myalgia, insomnia, GI symptoms 脳膿瘍と髄膜炎の治療手順 脳膿瘍 副鼻腔炎や先天性心疾患が原因の場合(連鎖球菌):大量Penicillin又は第3世代Cephalosporin 中耳炎, mastoiditis, or lung abscess (anaerobes and Enterobacteriaceae)に2次的発生; 大量Penicillin とmetronidazole と3rd generation Cephalosporin 術後又は外傷後の2次的な場合(S. aureus, Enterobacteriaceae); Nafcillin (or Oxacillin) と 3rd generation Cephalosporin 髄膜炎 年令1ヶ月以下(複数菌including grp B or D strept, 町内細菌, Listeria, H. influenzae, meningococci, and pneumococci)の場合; Ampicillin と aminoglycoside (又は 3rd generation Cephalosporin) 1ヶ月から3ヶ月児(H. influenzae, pneumococci, meningococci, and grp B streptococci); Ampicillin と 3rd generation Cephalosporin 3ヶ月以上から10歳未満(H. influenzae, pneumococci, and meningococci); 3rd generation Cephalosporin, or cefuroxime, or ampicillin and hloramphenicol 大人; Noncompromised (meningococcal, pneumococci, grp A streptococci); High dose Penicillin or chloramphenicol or 3rd generation Cephalosporin Compromised (免疫抑制/alcoholism/老人) (above and Enterobacteriaceae, H.influenzae, P. aeruginosa, Listeria); Ceftazidime と aminoglycoside Add Ampicillin for Listeria 手術後 (S. aureus, P. aeruginosa, Enterobacteriaceae); Nafcillin (or Oxacillin) and Ceftazidime and aminoglycoside 外傷後: Early (発症3日以内; pneumococci, grp A streptococci); 多量のPenicillin or Chloramphenicol Late (onset after 3 days; S. aureus, P. aeruginosa, Enterobacteriaceae); Nafcillin (or Oxacillin) と ceftazidime と aminoglycoside -------------------------------------------------------------------------------- 抗コリン剤Anticholinesterases 一般情報 適用; 重症筋無力症, 非脱分極性筋弛緩剤に拮抗作用, Ileus, bladder atony. 腎臓排泄 Neostigmine (ワゴスチグミン,Prostigmin);作用開始 4 - 8 min after IV 作用時間 2 - 4 h after IV Nondepolarizing muscle relaxant 拮抗剤; Adult- 0.5 - 2.5 mg slow IV (give 0.6 - 1.2 mg atropine IV before neostigmine) Ped- 0.04 mg/kg/dose Myasthenia gravis: adult: 15 - 50 mg PO tid 、Ped: 2 mg/kg/day PO in 3-4 divided doses Ileus: 0.25 - 1 mg IM/SC q4-6h Pyridostigmine (メスチノン、Mestinon); 作用開始 2 - 5 min after IV、作用期間2 - 3 h after IV Nondepolarizing muscle relaxant antagonist: 10 - 30 mg IV (preceded by 0.6 - 1.2 mg atropine IV) Myasthenia gravis: 60 - 180 mg PO bid-qid (1500mg/日まで) -OR- sustained-release tablets of: 180 - 450 mg PO qd-bid (adult) 1 - 2 mg/kg PO q3-4h (Ped) -------------------------------------------------------------------------------- 制酸剤 一般情報: -Acts by neutralizing gastric acid and by increasing lower esophageal sphincter tone -Used in treatment of PUD, GER, Stress ulcer prophylaxis -All are best given 30 min - 2 hr postprandially and at hs -All antacids はH2-blockersの吸収を妨害し, sucralfateの効果を妨害するする。 Magnesium/Aluminum-containing (Maalox, Mylanta, Riopan; Al-only: Alternagel, Rolaids) -Mg-containing antacids have osmotic laxative effects -Al-containing antacids are phosphate binders PUD: 5 - 10 ml PO per dose pc and hs Stress ulcer prophylaxis: 15 - 30 ml pNG/PO q1-4h for gastric pH < 4.5 (If pH < 3.5 dose is doubled) 副作用;Mg- 下痢, Mg intoxication in CRF、Al- 便秘, Al intoxication in CRF Alginic acid - containing (Gaviscon) -Forms a floating layer on gastric contents, acting as barrier to GER -Alginic acid is not absorbed、-PUD: 15 - 30 ml PO pc and hs -Stress ulcer prophylaxis: same as in Mg-Al antacids -------------------------------------------------------------------------------- 抗凝固剤Anticoagulants;Aspirin (Ecotrin, Bayer, Bufferin, others) 一般情報: cyclooxygenaseをアセチル化してprostaglandin合成を阻害.結果として; 1) peripheral effect on pain and inflammation 2) decreased hypothalamic "set-point" for antipyretic effect 3) decreased thromboxane in platelets and decreased platelet aggregation for 7-10 d -Indicated in risk reduction in MI, CVA, and TIA -Hepatic metabolism and renal excretion、-Half-life 15 min; salicylic acid 3 hr Dose variable: MI 80 mg PO qd、CVA/TIA 325-1300 mg PO qd 副作用; GI upset, PUD, GI出血, hepatic injury, allergic reactions, prolonged BT 小児には使用しない.ASA と ウイルス疾患(Reye's 症候群)との関係のため Heparin antithrombin III, activated factor II と Xの間の複合体形成促進させる. -Also partial inhibition of XIIa, XIa, IXa, and platelet function 摘要;DVT/PEの予防/治療, 頚動脈手術中のcrescendo TIA's, カテーテル閉塞防止、-Hepatic metabolism and renal excretion -Onset instantaneous after IV、-Half-life 60 min w/ 100 U/kg IV DVT prophylaxis: 5000 U SC q8-12h DVT/PE/TIA therapy: 100 U/kg IV load (5-10,000 U)followed by 800 - 1200 U/hr titrated to maintain PTT 1.5-2 times control Catheter 開存;10 - 100 U IV q8h depending on type/location of catheter, or 5 U/hr art line 副作用;1-33% risk of hemorrhage (esp w/ recent neurotrauma/neurosurgery, 血小板減少症, coag disorder), 血小板減少症と "white-clot" 症候群(血栓性血小板減少症), allergic reaction -Protamine can neutralize heparin by using slow infusion of 1mg per 100 U heparin remaining in patient (est. by 60 min plasma half-life) Warfarin Sodium (Coumadin);-Inhibits vitamin K-dependent factors II, VII, IX, X in liver -Indicated for prolonged anticoagulation in DVT/PE, AFib, prosthetic heart valves -Hepatic metabolism, bile/renal excretion、-Half-life 36h、-Duration 2-5 d -Initially 10-15mg PO qd for 2-3 days, then reduce to 2.5-10 mg PO qd to achieve steady PTvalues 1.5-1.8 times control -PT reflects previous days dose of warfarin 副作用;出血, teratogenicity, 脂肪の多い組織の皮膚壊死(protein C値減少による; warfarinを使用前に heparin治療をするとこの危険は減少する), leukopenia, 熱 Overdose treatment: Non-lifethreatening - ;Vit K 10-20 mg PO or 5-10 mg IV (< 1mg/min) will reverse warfarin w/in 4-24h; may repeat dose Life-threatening - ;FFP (3 U will return PT to 14-15s) -Many drug and disease state interactions. -------------------------------------------------------------------------------- 下痢止めAntidiarrheals: 治療の前に原因を究明すること。 鼻腔栄養 (High osmotic load), 薬剤性(esp antibiotics), 感染性(viral or C.difficile, Campylobacter, Shigella, Salmonella), 炎症性腸疾患, 過敏性腸,etc. 感染性の下痢は WBC, 卵 や Parasites, 培養, C. difficile 毒素.などの検査をする. 感染性であれば腸運動減少剤は処方しない. 腸運動減少 Diphenoxylate and Atropine (Lomotil) 1 - 2 tabs or 5 - 10 ml of (2.5-5.0 mg dipheoxylate/25- 50 ug atropine) bid - tid 副作用; bloating, abd pain, anticholinergic, constipation Loperamide (ロペミン,Immodium) 2 caps (4mg), then 1 cap (2mg) after each loose stool to a max of 8 caps (16mg)/day 1 cap (2mg) bid-qid if needed chronically、副作用;similar to Lomotil Belladonna alkaloids と Opium (Donnagel-PG, B & O) 30 ml initially, then 15 ml q3h prn 副作用; 便秘, abd cramp, anticholinergic side effects Paregoric (Parepectolin w/kaolin と pectin) 15 - 30 ml after each loose stool up to 8 doses/day 副作用; constipation, abd pain, confusion, allergic reactions -------------------------------------------------------------------------------- その他 Kaolin and Pectin (Kaopectate) - Kaolin absorbs bacteria and toxins, reduces water loss - Pectin stimulates intestinal growth, colonic absorption - 45 - 120 ml after each loose stool up to 8 doses/day、- adverse effect is constipation Bismuth Subsalicylate (Pepto-Bismol);-unknown mechanism - 2 tsp or tabs q30min - 1h up to 8 doses/day 副作用;便秘, salycilate toxicity, GI bleeding, hemoccult-negative dark stools -------------------------------------------------------------------------------- 制吐剤Antiemetics Promethazine (ピレチア、Phenergan): 中枢性ムスカリン作用を有する抗ヒスタミン剤;又、前庭刺激を減少させる - Adult: 12.5 - 50 mg PO/PR/IM q4-6h; also 12.5 mg IV q15min titrated to effect - Ped: 0.25-1mg/kg/dose IM/PO/PR tid-qid 副作用; drowsiness, dry mouth, confusion Hydroxyzine (アタラックス、Vistaril);- 抗ヒスタミン作用。 大人: 50 - 100 mg IM q4-6h、- 小児: 0.5-1 mg/kg/dose 副作用は Phenerganと同じ Prochloperazine (Compazine); 延髄の chemoreceptor trigger zoneを抑制 - Useful during chemotherapy - Adult: 5 - 10 mg PO/PR/IM/IV q6-8h、- Ped: 0.13 mg/kg/dose IV/IM q6-8h 副作用;急性dystonic 反応様な錐体外路症状 (treated w/ benadryl 50 mg IM/IV), permanent tardive dyskinesia, drowsiness 痙攣閾値を下げるので脊髄造影剤 (esp metrizamide) が使われる時は使用を避ける。 Trimethobenzamide (Tigan);- Inhibits chemoreceptor zone - 250 mg PO tid-qid or 200 mg PR/IM tid-qid 副作用; parkinson-like symptoms, drowsiness, hypotension, blurred vision -------------------------------------------------------------------------------- 抗テンカン剤 Antiepileptics Carbamazepine (Tegretol): - Indicated in complex partial seizures, generalized tonic-clonic seizures - 又, 三叉神経痛や他の neuropathic pain syndromesに有効。 - Hepatic metabolism and renal excretion - Induces its own metabolism by inducing liver enzymes、- 血漿半減期: 6.1 +/- 0.7 hr - 大人の量:10 - 20 mg/kg/日 PO (少量より始め週毎に 200 mg/日 ずつ効果があるまで増量)(ある例では 800 - 2400 mg/日必要な事もある) - 小児量:20-30 mg/kg/day PO 副作用;allergic reaction, rash, stimulation of ADH, blurred vision, 酔っ払い気分 - Many drug interactions、- Monitor drug levels: 4 - 12 ug/ml therapeutic range Clonazepam (ランドセン,Clonopin); - Benzodiazepine derivative 摘要;myoclonic 発作, 局所運動発作の補助薬, second-line to ethosuximide or valproate for absence and akinetic seizures - Hepatic metabolism and renal excretion、 - Plasma half-life: 23 +/- 5 hr 大人:1.5 mg/日PO divided tid 最初に最大量, 3日毎に効果があるまで 0.5 - 1 mgずつ増量 or max 20 mg/日 小児; 最初0.01-0.05 mg/kg/日divided bid-tid , その後3日毎に 0.5 mg/日増量,最大 0.2 mg/kg/日まで 副作用;行動変化, 鎮静,唾液増加, urinary symptoms, cytopenias, rash, hepatotoxicity Benzodiazepine 拮抗剤;Flumazenil 0.2mg IV followed by 0.1mg/分to 1mg (総量max 5mg) Diazepam (セルシン、Valium);- テンカン重積に適用。- 静注後作用開始 1 - 5 分以内。 - Plasma half-life: 10 - 100 hr - Hepatic oxidation, renal excretion 大人;1 - 2 mg/min IV up to 15 mg for status、小児;0.1-0.3 mg/kg/dose IV up to 5 mg - Must start another antiepileptic drug (eg Dilantin) since effect is short lived 副作用;sedation, respiratory depression, hypotension Benzodiazepine 拮抗薬;Flumazenil 0.2mg IV followed by 0.1mg/分to 1mg (総量max 5mg) Ethosuximide (Zarontin); 摘要; absence seizures - Hepatic metabolism and renal excretion、- Plasma half-life: 60 hr in adult; 30 hr in peds - Adult: 15 - 30 mg/kg/d PO bid-qid、- Ped: 15 - 40 mg/kg/d PO bid-qid 副作用;rash, SLE-type reactions, GI symptoms, cytopenias, mental confusion - 40 - 100 mg/ml therapeutic range in plasma Lorazepam (ワイパックス、Ativan); Benzodiazepine 誘導体 摘要;テンカン重積とalcohol withdrawal、Diazepamより効果は長い - Hepatic conjugation and renal excretion、- Plasma half-life: 15 hr mean 重積; 大人;1-4 mg IV up to 6 mg total ,小児 ;0.01-0.02 mg/kg/dose IV up to 0.04 mg/kg/dose 副作用;similar to diazepam Benzodiazepine拮抗薬;Flumazenil 0.2mg IV followed by 0.1mg/分 to 1mg (max 5mg total) Phenobarbital (Luminal) ; 摘要;多くの型のテンカン(重積も含む) 肝代謝と腎排泄、 作用開始; IVは 5 min; 20 - 60 min PO - Plasma half-life: 53 - 118 hr 大人;50 - 100 mg PO/IV/IM bid-tid、重積- 10 mg/kg IV at 50 mg/min up to 20 mg/kg 小児;4 - 6 mg/kg/d IV divided qd-tid、重積 - same as adult - Sedation: 1-3 mg/kg/day IV/PO 副作用;呼吸抑制, airway spasm, 低血圧, 遅脈, GI 症状, rash, Stevens-Johnson 症候群 - Monitor drug levels: 治療域20 - 40 ug/ml Phenytoin (アレビアチン、Dilantin) 摘要;全般性tonic-clonic seizuresの治療と予防, テンカン重積, some partial seizures - Hepatic oxidation and enterohepatic circulation then renal excretion - 95 % bound to plasma proteins、- Plasma half-life: 7 - 42 hr; ave. 22 hr - Phenytoin precipitates in glucose solutions 経口投与量;100 mg tid or 300 mg qhs (steady state 5 - 10 d) 1 gm divided tid over 24 hrs can be used to achieve steady state more rapidly - IV and Status: 15 - 18 mg/kg, not to exceed 50 mg/min to avoid arrythmias; then 300 mg or 5 mg/kg/d maintenance - Ped: Loading dose 20mg/kg IV, then 4-8 mg/kg/day IV/po - Monitor levels: 10 - 20 ug/ml therapeutic range 副作用;GI upset, CNS 毒性, 歯肉肥厚, 多毛症, rash, Stevens-Johnson 症候群, 肝毒性, 心室性不整脈, hypotension - Many drug interactions Paraldehyde (Paraldehyde USP) 摘要;痙攣や禁酒による妄想治療の補助薬, テンカン重積 - Hepatic metabolism to CO2 and H2O, and excreted in the lungs - Plasma half-life: 3.5 - 9.5 hr、- Given through glass syringe or red rubber catheters - Reacts to most IV tubing - Adult: IM 5 - 10 ml、IV 5 ml in 100 ml NS at 1 ml/min PO/PR up to 12ml in 10% solution pNG or 10 - 20 ml as oral retention enema - Ped: IM 0.15ml/kg 、IV 0.1 - 0.15 ml/kg diluted w/ NS、PO/PR 0.3 ml/kg 副作用;混迷,めまい,鎮静,循環虚脱, rash, GI upset, 呼吸抑制, hypotension Primidone (Mysoline) 摘要; tonic-clonic, complex partial, and simple partial epilepsy - Hepatic metabolism (Phenobarbital is a metabolite) and renal excretion - Plasma half-life: Primidone 3 - 24 hr, Phenobarbital 72 - 144 hr, PEMA 24 - 48 hr > 8 yr: 250 mg PO tid-qid、 < 8 yr: 10 - 25 mg/kg/d PO divided tid - Monitor drug levels:Primidone 5 - 10 ug/ml、Phenobarbital 15 - 25 ug/ml、PEMA not established 副作用; sedation, ataxia, GI upset, hyperexcitability, rash, SLE-like syndrome, others. Valproic Acid (Depakene, Depakote) 適当;absence seizures, tonic-clonic, myoclonic seizures; less so for partial seizures 肝代謝とrenal excretion、- Plasma half-life: 14 +/- 3 hr 大人;15 - 45 mg/kg divided bid-qid、小児;15 mg/kg/d divided bid-tid up to 60 mg/kg/d max - Monitor drug levels: 55 - 100 ug/ml therapeutic 副作用;GI upset, alopecia, rash, 鎮静, ataxia, 食欲刺激, 稀にfatal 肝炎, 骨髄抑制 気管支拡張剤Bronchodilators 一般情報: β-adrenergic agonists; 非選択的[epinephrine] ,B2 選択的[metaproterenol, isoetharine, terbutaline, albuterol] B2-agonistsは気管の平滑筋を弛緩させ,粘液排出させ, 肺気管の分泌を抑える。 Epinephrine 抗原によるhistamineとleukotrienes放出を阻害し, histamineによる 細気管支収縮,浮腫、血管拡張に拮抗する. 肝代謝, also lungs and other tissues for epi and isoetharine; renal excretion 副作用;頻脈, 高血圧, 不整脈, angina, 不安, 失見当識, seizures, HA, GI upset, 高血糖, hypokalemia, 尿閉 Epinephrine (Adrenalin); - Has B1, B2, Alpha effects 摘要; anaphylaxis と acute severe allergic reactions、 - Onset 5 min MDI/Neb, 5 - 10 min SC、 - Duration 1-2h MDI/Neb, 0.75-3h SC 0.4-0.5mg MDI、5mg(5ml 0.1% 液) Neb、0.2-0.5mg SC Metaproterenol (Alupent);- Not very B2 selective、- Onset 5 min MDI/Neb, 30-45 min PO - Duration 3-5h MDI/Neb, 4h PO 1.3-1.95mg(2-3 回吸入)MDI、15mg(0.3ml 5% in 3ml NS)Neb、20mg PO Isoetharine (Bronkosol);- Onset 5 min MDI,Neb - Duration 2-4hr MDI,Neb 0.68-1.02mg(2-3 inhalations)MDI、5mg (0.5ml 1% in 3ml NS)Neb Terbutaline (ブリカニール,Brethaire, Bricanyl) - Onset 5min MDI/Neb, 45-60min PO, 5-10 min SC - Duration 3-6h MDI/Neb, 6-8h PO, 2-3h SC 0.4-0.6mg (2-3inhalations)MDI、2mg (2ml)Neb、2.5-5mg PO、0.25mg SC Albuterol (Proventil, Ventolin) - Onset 5-10 min MDI/Neb, 30-45min PO、 - Duration 3-6h MDI/Neb, > 8h PO,0.18-0.27mg(2-3回吸入)MDI、2.5mg in 2-3ml NS Neb、2- 4mg PO Ipratropium Bromide (アトロベント,Atrovent) - Not a Beta blocker; anticholinergic (atropine derivative) vagal efferentの気管収縮効果を阻止 - Hepatic metabolism, renal/fecal/bile excretion、- Onset slow, Peak 45-60min - Half-life 2h - 2-3 puffs (0.04-0.06mg)MDI q6h 、副作用: anticholinergic -------------------------------------------------------------------------------- 心臓血管系薬剤: Adenosine (アデホス、Adenocard) 摘要;paroxyxmal SVT 禁忌;2nd/3rd degree AVB, SSS, AF/AFib, VT/VF - Metabolized by RBC's and vascular endothelial cells、- Serum half-life: < 10 sec - 6mg IV, then 6mg IV, then 12mg IV by rapid injection 副作用;transient AVB, 遅脈, flushing, CP, SOB, lightheadedness, しびれ, 嘔気 Angiotensin Converting Enzyme(ACE) 阻害剤 摘要;antihypertensive, and vasodilation in CHF 副作用;低血圧,頻脈, angina,不整脈,セキ, GI upset, 腎不全, cytopenias, CNS 症状, rash Captopril (カプトリル、Capoten);- Metabolized by liver, renal excretion - Onset 15 min PO, Peak 0.5-1.5h、- Duration 2-6h、- Half-life < 2h - 12.5-25mg PO bid-tid initially, up to max 150mg tid Lisinopril (ロンゲス,ゼストリル,Prinivil, Zestril);- Not metabolized, renal excretion - Onset 1h PO, Peak 7h、- Duration 24h、- Half-life 12 hr - 10mg PO qd, up to 20-40mg PO qd Enalapril (レニベース、Vasotec) - Hepatic metabolism to active form, renal/fecal 排泄 - Onset 1h PO/15min IV , Peak 0.5-1.5h PO/1-4h IV、- Duration 24h - Half-life 1.3h, metabolite 35h 2.5-5.0mg PO qd, up to 10-40mg PO qd 1.25mg IV q6h (give over 5min), up to 5mg IV q6h -------------------------------------------------------------------------------- Atropine Sulfate; 摘要;bradycardia、- Hepatic metabolism, renal/fecal/bile excretion - Onset 1-2 min、- Half-life: biphasic 2h, then 12h 大人;0.5-1mg IV push; repeat q5min up to max 2mg、小児;0.01mg/kg to max 0.4mg 副作用;不整脈,頻脈, MI, HA, MS changes,尿閉, 眼球圧上昇, 他のanticholinergic effects Beta 拮抗薬 摘要;MI, 高血圧, arrythmias, hyperthyroidism, migraine, essential tremor 副作用;遅脈, 悪化するCHF, 気管支攣縮, 低血糖, 血管収縮, 心停止or AVB w/Ca blockers, rebound phenomenon w/abrupt withdrawal Propranolol (Inderal) - Nonselective B1 and B2 antagonist、- Hepatic metabolism and renal excretion - Onset immediate IV、- Half-life 2.5h IV; 3-6h PO 0.5-1mg IV up to 0.1mg/kg IV、10-80mg PO bid-qid、80-160mg PO qd extended release Esmolol (Brevibloc) - B1 selective antagonist、- RBC esterase metabolism and renal excretion - Onset immediate、- Half-life 9 min 0.5-1mg/kg IV loading, 50 ug/kg/min infusion up to 300 ug/kg/min titrated to effect Labetolol (Trandate, Normodyne) - Nonselective B1, B2, Alpha-1 antagonist、- Hepatic metabolism/excretion - Onset immediate IV、- Half-life 6-8h 100mg PO bid initially, up to 600mg PO bid max 5 - 20 mg IV over 2 min, repeat q5-10min to max 100mg Metoprolol (ロプレソール、セロケン、Lopressor) B1 selective antagonist、- Hepatic metabolism and renal excretion Onset immediate IV、- Half-life 3-7 hr 1-2mg IV up to 0.2mg/kg max、 100-450mg PO qd or divided bid Atenolol (テノーミン.,Tenormin) - B1 selective antagonist、- Hepatic metabolism and renal excretion、- Half-life 6-9h - 50-100mg PO qd -------------------------------------------------------------------------------- Calcium Channel Blockers - Ca++ antagonists、- Vasodilator, depressor of SA/AV node, negative inotrope - Indicated for hypertension, ischemic heart disease 副作用;arrythmias, hypotension, bradycardia, GI upset, rash, CNS symptoms Diltiazem (ヘルベッサー、Cardizem) 肝代謝, renal/bile excretion、- Half-life 3-9 h、- 30mg PO tid-qid up to 360 mg/d Nifedipine (アダラート、Procardia) diltiazem/verapamilよりnodal/myocardial 抑制効果は弱い。 - More vasodilator effect than other Ca channel blockers - Hepatic metabolism, renal excretion、- Onset 5min SL、- Half-life 2h 10-20 mg PO q4-8h up to max 180 mg/d , 絶食時なら舌下錠あり Verapamil (ワソラン,Calan, Isoptin) - Additional indications are SVT (esp AV node reentry), rapid ventricular response in AF/AFib - Hepatic metabolism, renal excretion、- Onset 2-3min IV - Half-life 110 min IV, 4.5-10 hr PO - SVT: 大人; 0.075-0.15 mg/kg bolus over 2 min (repeat in 10min if no response) Infusion 0.005mg/kg/min AF/AFib HR control 80-120 mg PO tid-qid 小児; 0.1-0.3 mg/kg IV over 2 min - Angina: 80-120 mg PO q6-8h - HTN: 80-120 mg PO tid or 240mg Ext Rel PO qd-bid -------------------------------------------------------------------------------- Clonidine (Catapres, Catapre-TTS) 中枢性α-2 agonist, sympathetic outflowを減少, SVRを減弱, レニン/カテコラミン/aldosterone 分泌阻害 摘要;高血圧, opiate/Etoh/nicotine withdrawal - Hepatic metabolism 50%, renal/fecal excretion、- Half-life 12-16h - Onset 30-60 min after PO, Peak 2-4h PO、- Duration 8h PO - Transdermal patch levels at 2-3d;0.1mg PO bid-tid up to max 2.4mg/d - Apply patch 0.1mg q7d, up to 0.3mg - For Withdrawal, 5 - 17 ug/kg PO divided tid 副作用;低血圧, 遅脈, 急に中止はリバウンド現象, GI upset, 便秘,尿閉, インポ, rash, CNS 症状, glucose intolerance, hypothermia - Paradoxical hypertension w/B-blockers Digoxin (Lanoxin) 摘要; SVT/AF/AFib, と CHF、- Minimal hepatic metabolism, renal excretion - Onset 30-120min PO; 30 min IM; 5-30 min IV、- Half-life 36-48h - Therapeutic level 0.6 - 1.8 ng/ml - Initial dose 0.5mg IV, then 0.125-0.25mg IV q4-6h up to 0.75-1.25mg for effect 維持量; 0.125-0.25mg/d PO/IV 副作用; nearly any arrythmia, GI upset, neurologic effects - Hypokalemia/hypomagnesemia increase dig effect - Acute toxicity, give Digibind 800mg IV Dobutamine (ドブトレックス、Dobutrex);- B1 > B2 > α-1 agonist - Increases conduction, contractility, vasodilation 摘要;CHF, MR, Right heart failure w/ inc PVR - Hepatic metabolism and renal excretion、- Onset immediate、- Half-life 2 min - 2.5 - 10 ug/kg/min IV gtt 副作用;頻脈, ventricular 不整脈, hypotension secondary to vasodilation Dopamine (イノバン、Intropin) α, B1, and dopaminergic 受容体直接刺激 (DA1-血管拡張, 腎/腸間膜/冠動脈/脳; DA2- inhibits preganglionic NE release), indirect release of NE 摘要;低血圧, and to improve RBF/UO、- Hepatic metabolism and renal excretion - Onset immediate、- Half-life minutes DOSES: For primarily dopaminergic stimulation 0.5-2.0 ug/kg/min For both DA stimulation and B1 action 2-5 ug/kg/min For alpha, beta and DA effects > 10 ug/kg/min 副作用;不整脈,頻脈, hypertension, MI, tachyphylaxis w/in 24 hr, inc PCWP Epinephrine - B1 > B2 > Alpha effects - Indicated in cardiopulmonary arrest, hypotension, severe asthma or allergic reactions - Metabolized in liver, kidney, GI tract, and renally excreted - Onset immediate、- Half-life minutes - DOSES: Primarily B1, B2 effects 1-4 ug/min B1, B2, alpha effects > 4 ug/min 副作用;頻脈, inc myocardial demand, 高血圧, arrythmias, decreased RBF, tissue necrosis Hydralazine (Apresoline) - Direct vasodilation of arterioles > venules, reducing diastolic > systolic BP, decreasing SVR, increasin HR/CO; increase in renal, cerebral, coronary, splanchnic circulations 摘要; chronic hypertension or acute lowering of BP in mild to moderate hypertension - Metabolized in liver, renally excreted、- Onset 10-20 min IV, 20-30 min PO - Half-life 3 hr 25 - 50 mg qid PO; 5mg IV boluses q15min up to 20-40mg, and then 5 - 10 mg IV q6h maintenance 副作用;狭心症の悪化, HA, GI upset, 低血圧, peripheral neuropathy, Lupus-like症候群 Isoproterenol (Isuprel) - Primarily B1 and B2 agonist, increased chronotropy/inotropy, decreased DBP, increased SBP, increased myocardial demand, bronchodilator 摘要;bradycardia, AVB, Pulmonary HTN, bronchospasm - Hepatic metabolism and renal excretion、- Onset immediate、- Half-life < 5 min - 1-10 ug/min (0.05-0.1 ug/kg/min) IV gtt - For bronchospasm 1-2 inhalations of 0.25 - 1% MDI q3-4h 副作用; similar to epinephrine Lidocaine (Xylocaine) - Indicated as local anesthetic and ventricular antiarrythmic (class 1a) - Hepatic metabolism and renal excretion、- Onset immediate IV、- Half-life 100 min - Bolus 1-1.5 mg/kg IV repeated in 20 min; then... 1-4 mg/min IV gtt 副作用;遅脈,低血圧,心筋抑制, CNS toxicity (incl seizures), rash, 浮腫, bronchospasm, anaphylaxis Nitroglycerin 直接静脈拡張作用, decreasing PVR/preload/LVEDP, and decreased myocardial demand, 冠動脈流増加, and causes arteriolar dilation at higher doses - Indicated for MI, CHF, systemic and pulmonary HTN - Hepatic metabolism and renal excretion、- Onset immediate IV/SL; slight delay for PO - Half-life 1-4 min IV; 20 min SL; 4h PO、- Angina: 10-400 ug/min IV; ave. 75-100 ug/min -Hypotension: 10-400 ug/min; arteriolar dilation occurs at > 150 ug/min - Other forms: Transdermal patch 2.5-15mg q24h、Ointment 0.5-2 in q6-12h Sublingual 150/300/400/600 ug SL q5-10 min prn 副作用;tachyphylaxis, hypotension, HA, N/V, increased ICP Norepinephrine (Levophed) - Potent alpha > > B1 effect; no B2 effect、- Indicated in hypotension, cardiogenic shock - Hepatic/renal/GI metabolism and reuptake in nerve terminals; renal excretion - Onset immediate IV、- Half-life minutes - 4 - 10 ug/min IV; maybe higher in sepsis, cardiogenic shock 副作用; decreased RBF, HTN, 組織壊死, HA, angina, 遅脈, 不整脈, MI, stroke, seizures Phenylephrine (ネオシネジン、Neo-Synephrine) - Alpha-1 agonist leading to arterial/venous constriction, increased SVR/PVR - Indicated for hypotension、- Hepatic metabolism and renal excretion 、- Onset immediate IV - Half-life minutes、- 20 - 30 ug/min IV titrate to effect 副作用; HA, HTN, reflex bradycardia, MI, decreased organ blood flow Prazosin (Minipress): - Alpha-1 拮抗剤で動/静脈拡張を来たす。摘要; HTN, afterload reduction in CHF、 - Hepatic metabolism, fecal 90%/renal 10% excretion、- Onset 2hr PO, Peak 2-4hr - Duration 18-24hr、- Half-life 2-4hr、- Initial dose 1 mg PO bid-tid up to max 20 mg/day 副作用;低血圧, 頻脈, edema, GI upset, CNS symptoms, impotence, blurred vision Procainamide (アミサリン、Procan SR, Procainamide) Class 1a antiarrythmic used for SVT, 心室性不整脈, と AF/AFibの再発予防 - Hepatic metabolism to NAPA (active); renal excretion、- Half-life 3-5h - 100 mg/min to effect or to total dose of 1000mg, followed by a infusion of 2-6 mg/min 副作用; torsades de pointe, junctional tachycardia, 低血圧, GI upset, cytopenias Sodium Nitroprusside (Nipride) - Direct vasodilation of arteries > veins、- Indicated for hypertension, acute LV failure - Nonenzymatic degradation to cyanide, then thiocyanate conversion by liver, then 腎排泄 - Onset immediate、- Half-life minutes; thiocyanate 4 d、- 0.5-10 ug/kg/min titrate to effect 副作用; HA, N/V, 低血圧, 頻脈, ICP上昇, hypoxia (pulm shunting), tachyphylaxis, rebound, qualitative platelet defect - Measure thiocyanate levels qd (< 10mg/100ml) if required longer than 48h - Toxicity can be treated w/amyl nitrite and sodium nitrite, and sodium thiosulfate -------------------------------------------------------------------------------- H2-拮抗剤 基礎と夜間の酸分泌を減少, そして食物と薬で酸分泌刺激 摘要;Peptic Ulcer Disease (PUD), Gastroesophogeal 逆流(GER), ストレス潰瘍の予防 Cimetidine (Tagamet) - Hepatic metabolism, renal excretion、- Half-life 2-3 h、- Duration 4-5 h Stress ulcer 予防:300mg IV q6h PUD: 400mg PO bid x 6-8wk, then 400 mg PO qhs GER: 400mg PO bid 副作用;antiandogenic, confusion, 稀に骨髄抑制, many drug interactions Ranitidine (Zantac) - Hepatic metabolism, renal excretion、- Half-life 2-3h、- Duration 4-12h Stress ulcer prophylaxis: 50mg IV q8h PUD: 150 mg PO bid x 6-8wk, then 150 mg PO qhs GER: 150 mg PO bid 副作用; confusion, rare bone marrow suppression -------------------------------------------------------------------------------- 下剤Laxatives/便秘薬Stool Softeners Bulking Agents - Form gel by swelling that stimulates peristalsis - Indicated for constipation and irritable bowel syndrome 副作用; GI impaction due to poor fluid intake, allergic rash, bloating, flatus - Onset 12-24 hr up to 72hr Methylcellulose (Citrucel);4-6 gm (40-60ml) PO qd Psyllium (Metamucil);1 tab or packet (powder) qd-tid -------------------------------------------------------------------------------- 軟化剤Emollients - Surfactant that facilitates stool mixing and softening、- Indicated for constipation 副作用; cramping, skin rash、- Onset 24-48h up to 3-5d Docusate Sodium (Colace) - 50-100mg PO bid -------------------------------------------------------------------------------- Lubricants - Coat fecal contents and decreasing water absorption、- Indicated for constipation - Adverse effects include rectal irritation, lipoid pneumoconiosis if aspirated、- Onset 6-8h Mineral Oil (Fleets Enema Oil Retention);15-60 ml PO prn、1 enema PR prn Saline Agents - Osmotically active and increase intraluminal volume stimulating peristalsis - Indicated for constipation - Adverse effects include cramping, confusion, Mg toxicity (weak, dizzy, decreased DTR's) - Onset 0.5-3h Magnesium Citrate (Citroma);200 ml PO prn Magnesium Hydroxide (Milk of Magnesia);2.4-4.8 (30-60ml) gm PO prn -------------------------------------------------------------------------------- Stimulants よく解らない作用機序;直接神経刺激によるかも, 又はfluid, Na, とglucose 吸収減少 - Indicated for constipation, acute rather than chronic 副作用;cramping, diarrhea, confusion, electrolyte disorders, cardiac complications、 - Onset 6-8hr; castor oil 2-6hr Bisacodyl (テレミンソフト、Dulcolax);1-3 tabs (5-15mg) PO/PR qod-bid prn Casanthrol (Peri-Colace);Contains docusate sodium, 軟化剤1-2 capsules or TBSP qd-bid prn -------------------------------------------------------------------------------- 高浸透圧薬Hyperosmotic Agents - Increase luminal contents and stimulate peristalsis、- Indicated for constipation - Adverse effects include cramping, diarrhea, flatulence、- Onset within hours Glycerin ;1 supp PR or 3gm PO prn Lactulose (ラクツローゼ、Cephulac);hyperammonemiaに摘要、15-60 ml PO until first stool, then on q6-8h basis - Monitor daily ammonia levels -------------------------------------------------------------------------------- 筋弛緩剤: Nondepolarizing Agents postsynaptic cholinergic receptor of the NMJの競合的阻害, MEPの脱分極阻止 摘要;手術、挿管,,機械的呼吸の時の骨格筋弛緩 主な危険は呼吸麻痺で airway controlと mechanical ventilationが必要。 Myasthenia, hypokalemia, respiratory acidosis, metabolic alkalosis, 低体温, aminoglycosides, lidocaine, hypermagnesemia は全てnondepolarizing relaxantsの効果を長引かせる。 - Reversal of NMB - IF partial reversal has occurred (ie 1 of 4 twitches on a nerve stimulator) then full reversal can be achieved with an cholinesterase inhibitor and an anticholinergic agent to prevent the unwanted muscarinic effects like bradycardia and sialorrhea: - Atropine 7-9 ug/kg plus edrophonium 0.5-1.0 mg/kg - Glycopyrrolate 7.5 ug/kg plus neostigmine 40-70 ug/kg Pancuronium (ミオブロック、Pavulon) - Hepatic metabolism 25%, renal excretion 60-80%、- No histamine release - 2+ vagal blockade causing tachycardia、- Half-life 100-120 min、- Time to effect 3-5 min - Intubation dose: 0.07-0.08 mg/kg IV、25-50% q1-2h for maintenance Vecuronium (マスキュラックス、Norcuron) 肝代謝 25%, 腎排泄 < 20%、- No histamine release、- Half-life 70 min - Time to effect 2-3 min - Intubation dose: 0.08-0.10 mg/kg IV、1-2 ug/kg/min IV maintenance Atracurium (Tracrium) - Hoffman degradation (Temp and pH dep); nonspecific ester hydrolysis 長期使用は laudanosine 代謝物の蓄積を来たしseizures 又は CNS 興奮になる. - Mild histamine release、- Half-life 20 min、- Time to effect 2-3 min - Intubation dose: 0.4-0.5 mg/kg IV、5-10 ug/kg/min IV maintenance 脱分極剤Depolarizing Agent Succinylcholine (Anectine) 骨格筋のNMJのpostsynaptic cholinergic receptorを脱分極視,fasciculations を起こしflaccid paralysisにする. - Indicated in tracheal intubation、- Hydrolyzed by plasma pseudocholinesterase - Half-life 90 sec、- Onset 45-60 sec IV; 2-4 min IM、- Duration 4-6 min - Intubation dose: 1-1.5 mg/kg IV、(Infants) 2 mg/kg IM 副作用;大量の細胞からのカリウム放出(特にやけど,外傷、敗血症,脊髄損傷患者)prolonged effect in patients with atypical pseudocholinesterase; dysrythmias, myalgias, increase ICP in patients with HI or IC mass lesions, rash, aspiration, malignant hyperthermia -------------------------------------------------------------------------------- 副腎皮質ホルモンSteroids Glucocorticoids DNA転写, carbohydrate/lipid/protein代謝を制御;抗炎症作用;膜安定化;免疫抑制;血管性 浮腫の減少; mineralocorticoid;抗腫瘍作用 摘要;副腎不全,抗炎症,脳浮腫,免疫抑制,喘息, sarcoidosis, COPD, アレルギー反応, hypercalcemia, ITP, 腫瘍 肝代謝と renal excretion 副作用;cushingoid features, 高血糖,免疫抑制,感染の危険性, Na と液貯留, CHF, hypokalemia, metabolic alkalosis, osteoporosis, 多幸, HA, psychosis, pseudotumor cerebri, MS changes, seizures, 膵炎, 成長鈍化, protein 消耗, 筋萎縮, 創傷治癒不良, 副腎抑制, 血栓塞栓, aseptic femoral head 壊死 - Many drug interactions 薬理学的特長 薬, Glucocorticoid Potency ,Mineralocorticoid Potency, Peak Effect (hr), Plasma half-life (分), 生物学的 半減期(hr), 量(mg), 薬 の順。 Dexamethasone 25 0 1-2 110 -210 36-54 0.75 Dexamethasone Triamcinolone 5 0 varied 200 18-36 4 Triamcinolone Methylprednisolone 5 0.5 1-2 80 -180 18-36 4 Methylprednisolone Prednisolone 4 0.8 1-2 115 -212 18-36 5 Prednisolone Prednisone 4 0.8 1-2 60 18-36 5 Prednisone Cortisol 1 1.0 - - 8-12 20 Cortisol Hydrocortisone 0.8 1.0 1-2 80 -120 8-12 20 Hydrocortisone Cortisone 0.8 1.0 1-2 30 8-12 25 Cortisone -------------------------------------------------------------------------------- 脳浮腫; Dexamethasone 10-20mg IV, then 4-6mg IV/PO q4-6h 急性ストレス w/副腎不全; Hydrocortisone 100mg IV q8h; taper when stress period over 急性脊髄損傷; Methylprednisolone 30mg/kg IV bolus over 15min, followed by continuous gtt at 5.4mg/kg/hr x 23hr; 損傷後8時間以内に投与されねばならない -------------------------------------------------------------------------------- Mineralocorticoids 遠位細尿管での Naの再吸収とKとHイオンの排泄----Na, K, H homeostasisの制御 摘要;脊髄損傷患者の様な重症起立性低血圧,原発性副腎不全, hypoaldosteronism - Hepatic metabolism and renal/breast milk excretion 副作用;Na/H2O 貯留, HTN,浮腫,心不全,体重増加, hyponatremia, HA, MS changes, paresthesias, metabolic alkalosis, arrythmias Fludrocortisone acetate (フロリネフ、Florinef) - Peak 1.5 hr、- Plasma half-life 30 min、- Biologic half-life 18-36 hr - 0.05 - 0.2 mg/day PO divided bid ------------------------------------------------------------------- その他 Acetazolamide (Diamox) Carbonic anhydrase 阻害剤 (腎細尿管で水素とbicarbonate イオンの生成減少), Na, K, H20, HCO3の アルカリ性利尿を来たす。 摘要;metabolic alkalosis, edematous states, Pseudotumor Cerebri, altitude sickness - No metabolism, renal excretion、- Half-life 5hr - Metabolic alkalosis Adult 250mg IV bid-qid、 Ped 8-30 mg/kg/day Altitude sickness 登る前に250 mg qd-qid 24-48hr, then for > 48h to control symptoms 副作用;malaise, anorexia, HA, weakness, しびれ, GI upset, hypokalemia, 代謝性acidosis Acetylcysteine (Mucomyst) - Indicated as mucolytic agent, and in acetaminophen overdose - Hepatic metabolism, unknown excretion、- Mucolytic: 3-5ml 20% solution Neb q2-3hr - Must give in conjunction w/ bronchodilator 副作用; bronchospasm, rhinorrhea, N/V, drowsiness, rash, fever Chlorpromazine (ウィンタミン、Thorazine) - Blocks DA receptors in forebrain and basal ganglia 摘要;diencephalic fits, hiccups, nausea/vomiting - Hepatic metabolism and renal/hepatic excretion、- Half-life 30hr; metabolites months - N/V: 100-200 mg PO/IM q4-6h; 50-100 mg PR q6-8h - Hiccup:25-50 mg PO/IM q4-6h - Diencephalic fits: 50-100 mg IM q4-6h 副作用;鎮静, 錐体外路反応, anticholinergic 効果, 起立性低血圧, neuroleptic malignant syndrome, tardive dyskinesia Desmopressin Acetate (dDAVP) 合成 ADH類似品、 摘要;neurogenic diabetes insipidus - Tissue metabolism、- Half-life 8 min fast-phase; 75 min slow-phase - Duration 8-20h intranasal; 12-24h IV 大人;0.1-0.4 ml (10-40 ug) intranasally qd-bid、2-4 ug (0.5-1.0 ml) IV/SC bid Ped: 0.05-0.1 ml (5-10 ug) intranasally qd-tid 副作用;HA, seizure, 水中毒, labile BP, GI upset, oliguria, hyponatremia, 過敏症 - Potentiates antidiuretic action: carbamazepine, Chlorpropamide, clofibrate - Decrease antidiuretic action: demeclocycline, lithium, epinephrine, norepinephrine, heparin,alcohol Demeclocycline (Declomycin) Tetracycline誘導体、 摘要; chronic management of SIADH No metabolism, 腎排泄、- Half-life 10-17h、- 150-300mg PO q6h (1hr ac or 2hr pc) 副作用;光線過敏, rash, vertigo, discolored nails/teeth, GI upset, 舌炎, 会陰部感染, 心外膜炎, 腎毒性, 肝毒性, neutropenia, 貧血, 血小板減少症, nephrogenic DI Dextran 40 低分子. - Acts as volume expander, anticoagulant, antiplatelet, and promotes peripheral blood flow by inhibiting RBC aggregation and sludging in microcirculation (coats endothelial wall) - No metabolism, renal filtration if < 55,000 daltons、- Onset immediate - Half-life 2/3 eliminated w/in 12hr、 - Prophylaxis of thromboembolism or antiplatelet effect: Continuous IV infusion of Dextran 40 at 30-50 ml/hr 副作用; antigenicity, 腎不全, interference with crossmatching blood Furosemide (Lasix) - Inhibits absorption of Na and Cl in ascending loop of Henle and in proximal/distal tubules - Indicated as a diuretic for HTN, pulmonary edema, edematous states, acute oliguria - Hepatic metabolism, renal/biliary excretion、- Half-life 0.5-1.5hr - Diuretic: adult 10-40mg IV/IM; 20-80 mg PO q6-8h ped 1.0mg/kg IV increased by 1mg/kg q2hr prn、2.0mg/kg PO inc by 1-2mg/kg q6-8h - Antihypertensive: 10-80mg IV/IMup to 100-200mg IV prn、40mg PO bid 副作用; hyponatremia, hypokalemia, hypovolemia, hypomagnesemia, prerenal azotemia, metabolic alkalosis, glucose intolerance Magnesium Sulfate - Indicated in hypomagnesemia、- No metabolism, renal excretion - Duration ;IV immediate onset lasting 30 min、IM peaks 60 min lasting 3-4h - 1mEq = 12 mg elemental Mg - MgSO4 (1gm = 8.12mEq Mg = 98mg Mg) 10-50% solutions - HypoMg seizures/arrythmias: 1-2gm IV over 15 min, then 1-2gm IV q4-6h - Mild hypoMg: 1gm IV/IM q6h x 3-5d plus excess losses - Severe hypoMg: 5gm IV over 4h, then 1gm IV q4-6h x 3-5d plus excess losses - RDA: 300-350mg/d 副作用;血管拡張, 低血圧, heart block, ECG変化, 呼吸抑制, CNS 抑制, マヒ, 低体温,下痢, hypocalcemia - Overdose treated w/ IV Ca 5-10 mEq over 5 min - Serum Mg levels: normal 1.5 - 2.4 mEq/l anticonvulsant 2.5-7.5 mEq/l Dec DTR/BP 7-10 mEq/l resp paralysis 12-15 mEq/l cardiac arrest > 15 mEq/l Mannitol (Osmitrol) - Increases plasma osmolality creating an osmotic diuresis; may act as rheologic agent, and as a free- radical scavenger - Indications include reducing cerebral edema and ICP - Slight hepatic metabolism, renal excretion、- Half-life 100 min - Onset diuresis in 1-3 hr, tissue effect within 15 min、- Duration 3-8 hr ICP reduction - Adult and Ped: 0.25 - 2.0 gm/kg IV (20% solution) q4-6h 副作用;hypernatremia, hypervolemia, ARF 脱水, hypokalemia, 熱, MS changes, CP,痙攣 - Hold mannitol if serum osmolality is > 320 Metoclopramide (プリンペランReglan) 下部食道括約筋圧,食道酸clearanceを上昇させるDopamine強調薬; 胃停滞と蠕動を改善する.嘔吐中枢のchemoreceptor trigger zone 閾値を上げる - Indicated in GER, delayed gastric emptying, peristaltic stimulant, antiemetic - Hepatic metabolism and renal excretion、- Half-life 4-6h、- Duration 1-2h - GER: 10-20mg PO 30 min ac and qhs 胃内容停滞; 10 mg PO 30 min ac and qhs; IV q6h 蠕動促進に; 10-20 mg IV during NDT/FT placement 制吐作用; 1-2mg/kg IV 30 min prior to chemo, repeat q2-4h 副作用;錐体外路効果(treated with benadryl 50mgIV/IM), drowsiness, fatigue Naloxone (ナロキソン、Narcan) - Opiod receptor antagonist 摘要; analgesia, 呼吸抑制, 鎮静, pruritis,尿閉など麻薬の副作用に拮抗 - Hepatic metabolism and renal excretion、- Onset 2-3min IV 、- Half-life 60 min - Duration 30-45 min - Reverse postop narcosis: 1-2 ug/kg IV q5min to desired effect (usually 0.2-0.3mg) - Suspected narcotic OD: 0.4-2.0mg IV initially, up to max of 10mg; can be given IM 副作用;HTN, 不整脈, 肺浮腫, 急に注射は心停止; 中毒者は禁断症状 Nimodipine (Nimotop) - Ca++ channel antagonist もっと脳選択性がある以外他のCa channel blockersと同じ - Indicated for cerebral vasospasm prophylaxis - Has been demonstrated to improve outcome after SAH-induced delayed ischemia - Adult: 60mg PO/NG q 4h. x 21 days 副作用; 他のCa channel antagonistsと同じ; 低血圧症では長期使用禁止 Pentobarbital (Nembutal) - Barbiturate indicated for coma induction as means to control elevated ICP - Hepatic metabolism and renal/fecal excretion、- Onset immediate IV、- Duration 15-50 hr - Half-life variable - Pentobarbital Coma for ICP Control: Loading dose 10mg/kg IV (rate < or = 50 mg/min) then 5 mg/kg/hr IV x 3 hrs, then 維持量 1 - 3 mg/kg/hr IV (use bedside EEG monitoring or serum levels (range 25-40 ug/ml);目標は EEG burst suppression patternが出るまで 副作用;CNS depression, hypoventilation, hypotension, bradycardia, N/V, 便秘 Phosphorus (Neutra-Phos, K-Phos, Potassium or Sodium Phosphate) - Indicated for phosphorus depletion and hypophosphatemia - No metabolism; renal and some GI excretion、- RDA: 800 mg or 26 mmol - 31 mg phosphorus = 1 mmol、- Normal serum level = 3-4.5 mg/dl adult; 4-7 mg/dl ped - Neutra-Phos:250mg (8mmol), 7mEq K, 7mEq Na (PO) Potassium Phosphate: 3mmol PO4, 4.4 mEq K per ml (IV) Sodium Phosphate: 3mmol PO4, 4 mEq Na per ml (IV) - PO4 depletion: recent 0.6mg (0.02mmol/l)/kg/hr、chronic 0.9mg (0.03mmol/l)/kg/hr 維持;250-2000 mg/日 PO divided q6h、10-50 mmol/l/日(310 - 465 mg phosphorus) 副作用;下痢, N/V, abd pain, hyperkalemia, hypocalcemia and Ca precipitation, 腎障害 Rally Pack 急性の病気又は栄養失調(例えばアル中)の危険にある患者に注入 - Thiamine 100 mg IV q day x 3d、- MVI 1 amp IV q day x 3d、- Folate 1 mg IV q day x 3d - Vit C 500 mg PO/NG qd x 3d、- B12 100 mcg IM x 1 dose Sodium Bicarbonate - Indicated in metabolic acidosis、- No metabolism; renal/pulmonary excretion - Half-life indeterminate、- Normal level 22-27 mEq/l、- Usually given for blood pH < 7.2 緊急replacement;最初1.0 mEq/kg IV, followed by 0.5 mEq/kg IV while monitoring pH 緊急でない場合;2-5 mEq/kg IV over 4-8 hr 副作用;metabolic alkalosis, 浮腫, tetany from hypocalcemia, hyperosmolality, hypokalemia, 筋痙攣 Sucralfate (アルサルミン、Carafate) - Indicated for treatment of PUD or GI stress prophylaxis - Not significantly absorbed from GI tract、- Adult: 1 gm. PO/NG q4h 副作用; constipation, mild GI upset Theophylline/Aminophylline phosphodiesterase阻害剤;cAMP 値を上げる; adenosine receptorsに拮抗;細胞内Caを増加; increase sensitivity of medullary CO2 centers; improves diaphragmatic function; relaxes bronchial smooth muscle; increases myocard ial contactility/rate; 胃分泌増加; 腎 salt/water 排泄増加; reduces seizure threshold and brain blood flow; antiinflammatory 摘要;bronchospasm、- Hepatic metabolism and renal excretion - Therapeutic serum level: 10-20 ug/ml - Half-life: 7-9h adults; 4-5h smokers; 3-5h ped; 20-30h premies; Decreased clearance in CHF, liver dysfunction, alcoholism, pulmonary edema, COPD - Theophylline: Loading dose- 5-6 mg/kg PO; 1mg/kg to increase serum level by 2 ug/ml Maintenance- 3mg/kg PO q6h (adult nonsmokers) 4mg/kg PO q6h (adult smokers)、2mg/kg PO q8h (age > 60 yr) 2mg/kg PO q12h (liver/heart failure) - Aminophylline: Loading dose- 5-6 mg/kg IV over 20 min; 1 mg/kg to increase blood level by 2 ug/ml Maintenance- 0.5 mg/kg/hr IV gtt (adult nonsmokers) 0.8 mg/kg/hr IV gtt (adult smokers)、0.3 mg/kg/hr IV gtt (age > 60 yr) 0.2 mg/kg/hr IV gtt (liver/heart failure) 副作用;いらいら, 不穏, HA, seizures, depression, 頻脈, 低血圧,不整脈, GI upset, 下痢, reflux, GI bleeding, fever, rash, urinary retention, hyperglycemia - Many drug interactions Thiopental (ラボナール、Pentothal Sodium) - Barbiturate indicated in general anesthesia, seizures, increased ICP、- Hepatic metabolism - Onset < 1 min IV、- Duration 20-30 min after single dose、- Half-life 3-8h - Induction: 3-4 mg/kg IV (adult)、2-3 mg/kg IV (ped/elderly) - Seizures: 75-125 mg IV (adult) 副作用; 逆行性健忘,低血圧,頻脈, myocardial depression, arrythmias,呼吸抑制, apnea, laryngospasm, bronchospasm, pain/swelling/ulceration/vasospasm/gangrene local effects if tissue infiltrated,allergic reactions, shivering Vasopressin (Pitressin) - Antidiuretic, antihemorrhagic, vasopressor, peristaltic stimulant 摘要;neurogenic diabetes insipidus, 食道静脈瘤出血, postop abdominal distension - Hepatic/renal metabolism and renal excretion、- Half-life 10-20 min - Duration 2-8h IM/SC aqueous vasopressin - DI: Adult 5-10 U IM/SC bid-qid、Ped 2.5-10 U IM/SC bid-qid - Postop abd distention: 5-10 U IM initially, then q3-4h prn - Upper GI bleeding: 0.2-0.4 U/min IV 副作用:CNS 症状, angina, vasospasm, HTN, arrythmias, skin necrosis, hypersensitivity, GI upset, water intoxication, hyponatremia, 気管支狭窄 |