Drug Reactions Flashcards
Long QT / torsades
Sotalol, quinidine, macrolides, haldol and risperdal, TCAs
Hyperglycemia
Tacrolimus, protease inhibitors, niacin, HCTZ, B blockers, steroids
Hypothyroidism
Lithium, amiodarone, sulfonamides
Diarrhea
Metformin, erythromycin, colchicine, acarbose
Hepatic necrosis
Halothane, valproic acid, Tylenol
Hepatitis
Isoniazid
Pancreatitis
Didanosine, steroids, valproic acid, azathioprine, diuretics (furosemide, HCTZ)
Agranulocytosis
Dapsone, clozapine, carbamazepine, colchicine, methimazole, PTU
Aplastic anemia
Carbamazepine, methimazole, PTU, NSAIDs, benzene, chloramphenicol
Hemolytic anemia (direct Coombs +)
Methyldopa, penicillin
G6PD hemolysis
Isoniazid, sulfonamides, dapsone, primaquine, aspirin, ibuprofen, nitrofurantoin
Megaloblastic anemia
Phenytoin, methotrexate, sulfa drugs
Thrombocytopenia
Heparin, cimetidine
Gynecomastia
Spironolactone, digitalis, cimetidine, alcohol, ketoconazole
Hyperuricemia (gout)
Pyrazinamide, thiazides, furosemide, niacin, cyclosporine
Coronary vasospasm
Cocaine, sumatriptan, ergots
Gingival hyperplasia
Phenytoin, verapamil, cyclosporine, nifedipine
Myopathy
Fibrates, niacin, colchicine, hydroxychloroquine, interferon-a, penicillamine, statins, glucocorticoids
Photosensitivity
Sulfonamides, amiodarone, tetracyclines, 5-FU
SJS
Anti-epileptics, allopurinol, sulfa drugs, penicillin
SLE-like syndrome
Sulfas, hydralazine, INH, procainamide, phenytoin, etanercept
Seizures
INH, bupropion, imipenem/cilastatin, tramadol, enflurane, metoclopramide
Fanconi syndrome
Expired tetracyclines, heavy metal exposure
Interstitial nephritis
Methicillin, NSAIDs, furosemide
SIADH
Carbamazepine, cyclophosphamide, SSRIs
Pulmonary fibrosis
Amiodarone, bleomycin, methotrexate
Nephrotoxicity/ototoxicity
Aminoglycosides, vancomycin, loop diuretics, cisplatin
What are the sulfa drugs?
Probenecid, furosemide, acetazolamide, celecoxib, thiazides, sulfa abx, sulfasalazine, sulfonylureas
Cytochrome P-450 inducers
Chronic alcohol use, modafinil, St. John’s wort, phenytoin, phenobarb, nevirapine, rifampin, griseofulvin, carbamazepine
Cytochrome P-450 inhibitors
Acute alcohol use, gemfibrozil, cipro, INH, grapefruit juice, quinidine, amiodarone, ketoconazole, macrolides, sulfonamides, cimetidine, ritonavir
Cytochrome P-450 substrates
Anti-epileptics, antidepressants, antipsychotics, anesthetics, theophylline, warfarin, statins, OCPs