| A | B |
| levonorgestrel + ethinyl estradiol | Triphasil (Oral contraceptive) |
| desogestrel + ethinyl estradiol | Mircette (Oral contraceptive) |
| tolterodine | Detrol (Competitive muscarinic receptor) |
| metronidazole | Flagyl (Antibiotic) |
| sumatriptan | Imitrex (Migraine analgesic) |
| rabeprazole | Acephex (Proton pump inhibitor for GI disease) |
| buspirone | BuSpar (Antianxiety) |
| losartan + cydrochlorothiazide | Hyzaar (Cardiovascular) |
| bisoprolol + hydrochlorothiazide | Aizc (Cardiovascular) |
| nefazodone | Serzone (Antidepressant) |
| fluvastatin | Lescol (HMG-CoA reductase inhibitor for hyperlipidemia) |
| tamsulosin | Flomax (Alpha-blocker for benign prostatic hypertrophy) |
| nortriptyline | Pamelor (Tricyclic antidepressant) |
| esomeprazole | Nexium (Proton pump inhibitor for GI disease) |
| fenofibrate | TriCor (Fibric acid derivative for hyperlipidemia) |
| tamoxifen | Nolvadex (Hormone for chemotherapy) |
| diltiazem | Tiazac (Cardiovascular-calcium channel blocker) |
| felodipine | Plendil (Cardiovascular-calcium channel blocker) |
| valacyclovir | Valtrex (Antiviral) |
| mirtazapine | Remeron (Antidepressant) |