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USMLE_DrugTox
USMLE Step 1 drug toxicities
Question | Answer |
---|---|
Atropine-like side effects | Tricyclics |
Coronary vasospasm | Cocaine, sumatriptan |
Cutaneous flushing | Niacin, Ca2+ channel blockers, adenosine, vancomycin |
Dilated cardiomyopathy | Doxorubicin, daunorubicin |
Torsades de pointes | Class III (sotalol), class IA (quinidine) antiarrhythmics, cisapride |
Agranulocytosis | Clozapine, carbamazepine, colchicine, propylthiouracil, methimazole |
Aplastic anemia | Chloramphenicol, benzene, NSAIDs, propylthiouracil, methimazole |
Direct Coombs-positive hemolytic anemia | Methyldopa |
Gray baby syndrome | Chloramphenicol |
Hemolysis in G6PD-deficient patients | Isoniazid, Sulfonamides, Primaquine, Aspirin, Ibuprofen, Nitrofurantoin ("hemolysis IS PAIN") |
Megaloblastic anemia | Phenytoin, Methotrexate, Sulfa drugs ("having a BLAST with PMS") |
Thrombotic complications | OCPs (estrogens and progestins) |
Cough | ACE inhibitors |
Pulmonary fibrosis | Bleomycin, busulfan, amiodarone |
Acute cholestatic hepatitis | Macrolides |
Focal to massive hepatic necrosis | Halothane, valproic acid, acetaminophen, Amanita phalloides |
Hepatitis | INH |
Pseudomembranous colitis | Ampicillin, clindamycin |
Adrenocortical insufficiency | Glucocorticoid withdrawal (HPA suppression) |
Gynecomastia | Spironolactone, Digitalis, Cimedtidine, chronic Alcohol use, estrogens, Ketoconazole ("Some Drugs Create Awesome Knockers") |
Hot flashes | Tamoxifen, clomiphene |
Gingival hyperplasia | Phenytoin |
Gout | Furosemide, thiazides |
Osteoporosis | Corticosteroids, heparin |
Photosensitivity | Sulfonamides, Amiodarone, Tetracycline ("SAT for a PHOTO") |
Rash (Stevens-Johnson syndrome) | Ethosuximide, lamotrigine, carbamazepine, phenobarbital, phenytoin, sulfa drugs, penicillin, allopurinol |
SLE-like syndrome | Hydralazine, INH, Procainamide, Phenytoin ("it's not HIPP to have lupus") |
Tendonitis, tendon rupture, and cartilage damage (kids) | Fluoroquinolones |
Fanconi's syndrome | expired tetracyclines |
Interstitial nephritis | Methicillin, NSAIDs, furosemide |
Hemorrhagic cystitis | Cyclophosphamide, ifosfamide (prevent by coadministering with mesna) |
Cinchonism | Quinidine, quinine |
Diabetes insipidus | Lithium, demeclocycline |
Parkinson-like syndrome | Haloperidol, chlorpromazine, reserpine, metoclopramide |
Seizures | Bupropion, imipenem/cilastatin, isoniazid |
Tardive dyskinesia | Antipsychotics |
Disulfiram-like reaction | Metronidazole, certain cephalosporins, procarbazine, 1-st generation sulfonylureas |
Nephrotoxicity / neurotoxicity | Polymyxins |
Nephrotoxicity / ototoxicity | Aminoglycosides, vancomycin, loop diuretics, cisplatin |