verapamil, spironolactone, lanoxin, morphine, clozapine, warfarin, streptokinase, phenytoin, beta blocker, cyclosporine, chlorpheniramine, erythromycin, fentanyl, flecainide, nelfinavir, hyperkalemia, chlorthalidone, dextroamphetamine, indinavir, folic acid, amiodarone, quinidine, pimozide, gemfibrozil, thiazide, tricyclic antidepressant, prostaglandin, ascorbate, phenobarbital, thyroxine, diltiazem, hydromorphone, sitosterol, procardia, amitriptyline, aspirin, monoamine oxidase inhibitor, norvir, statin, propoxyphene, carvedilol, clonidine, enalapril, clomipramine, medication, dosage, pyridoxine, aldosterone, terazosin, clotting, leflunomide, fluvastatin, diphenhydramine, lopressor, chlorpromazine, tyramine, reserpine, nitroprusside, muscle relaxant, captopril, nicotinic acid, digitalis, mifepristone, lovastatin, anticoagulant medication, dilaudid, allopurinol, cardiac glycoside, succinylcholine, insulin, valproic acid, cyclobenzaprine, hydroxychloroquine, nitrofurantoin, nifedipine, benzodiazepine, thyrotropin, hydralazine, isoproterenol, antidepressant, metoprolol, thioridazine, paracetamol, vasodilator, nsaids, scopolamine, methadone, mellaril, nardil, thyroid hormone, rifampin, blood clotting, metabolic acidosis, coumadin, nicotinamide, anticonvulsants, clomiphene, tranylcypromine, glucocorticoid, tofranil, angina pectoris, underdose, cortisol, estradiol, testosterone, progesterone, atropine, choline, folate, epinephrine, galactose, glucose, histamine, noradrenaline, phenylalanine, tryptophan, caffeine, calcium, carbamazepine, cimetidine, salicylate, valproic, furosemide, heparin, tetracycline, folic, theophylline, amphetamine, lidocaine, methotrexate, diazepam, isoniazid