Medication class	Specific examples
Antibiotics	Cephalosporins*, ciprofloxacin6 (Cipro), ethambutol (Myambutol), isoniazid (INH), macrolides, penicillins*, rifampin* (Rifadin), sulfonamides*, tetracycline, vancomycin7 (Vancocin)
NSAIDs*	Almost all agents2
Diuretics*	Furosemide (Lasix), thiazides, triamterene (Dyrenium)
Miscellaneous	Acyclovir (Zovirax), allopurinol* (Zyloprim), amlodipine8 (Norvasc), azathioprine (Imuran), captopril (Capoten), carbamazepine (Tegretol), clofibrate (Atromid-S), cocaine, creatine9, diltiazem10 (Cardizem), famotidine (Pepcid), indinavir11 (Crixivan), mesalazine12 (Asacol), omeprazole13 (Prilosec), phenteramine14 (Zantryl), phenytoin (Dilantin), pranlukast (Ultair)15, propylthioruacil16 (Propacil), quinine (Quinamm), ranitidine (Zantac)