oral contraceptive pill, antiepileptic drug, antidepressants, clozapine, clozaril, catapres, nefazodone, emend, gemfibrozil, statin, spironolactone, clomipramine, oral contraceptive, pimozide, tricyclic antidepressant, sertraline, ssri, fluoxetine, mevacor, hydroxychloroquine, secondary amenorrhea, oral contraception, cerivastatin, nortriptyline, fluvastatin, phenytoin, metformin, progestogen, piroxicam, anticonvulsants, rocephin, alpha blocker, sporanox, reboxetine, mifepristone, clomiphene, norethindrone acetate, clomiphene citrate, propoxyphene, hydrochlorothiazide, quinidine, ddi, antiarrhythmic drug, serzone, lescol, norethindrone, azor, miconazole, clonidine, procardia, valproic acid, thiazide, nifedipine, acetaminophen, trazodone, warfarin, nelfinavir, retrovir, combivir, glyburide, nitrofurantoin, antipsychotic, ipratropium, hydrobromide, leflunomide, methylphenidate, antihypertensives, terazosin, verapamil, carvedilol, ketorolac, ergotamine, rofecoxib, triamcinolone, antifungal agent, hydroxyurea, lamivudine, atrovent, pentoxifylline, lopressor, progestin, opioid, ethambutol, azathioprine, monoamine oxidase inhibitor, tranylcypromine, dapsone, cimetidine, retinoid, labetalol, hydrocortisone, enalapril, flecainide, diltiazem, indapamide, thioridazine, perphenazine, nitroprusside, indinavir, alendronate, norvir, hypnotics, aspirin, corticosteroid, corticosteroids, dexamethasone, glucocorticoids, morphine, steroids, amphetamine, carotene, cocaine, cyclosporine, estradiol, estrogen, gcs, glucocorticoid, nicotine, nsaids, prednisone, progesterone, etretinate, methotrexate, retinoic, thalidomide, valproate, valproic, 131, 1a, 1b, 1h, 1nitial, 2a, 2b, 432, ablative, abortive, abreactive, accepted