| A | B |
| digoxin | Lanoxin (Antiarrhythmic) |
| levofloxacin | Levaquin (Quinolone antibiortic) |
| ranitidine | Zantac (H2 blocker) |
| trazodone | Desyrel (Antidepressant) |
| citalopram | Celexa (SSRI antidepressant) |
| cyclobenzaprine | Flexeril (Skeletal muscle relaxant) |
| amitriptyline | Elavil (Tricyclic antidepressant) |
| tramadol | Ultram (Analgesic) |
| naproxen | Naprosyn (NSAID) |
| glipizide | Glucotrol (Hypoglycemic) |
| fluconazole | Diflucan (Antifungal) |
| metoprolol | Toprol XL (Beta-blocker) |
| gabapentin | Neurontin (Anticonvulsant) |
| sildenafil | Viagra (Erectile dysfunction) |
| fluticasone | Flonase (Allergy) |
| metoprolol | Lopressor (Beta-blocker) |
| clarithromycin | Biaxin (Macrolide antibiotic) |
| bupropion | Wellbutrin (Antidepressant) |
| clonazepam | Klonopin (Anticonvulsant) |
| quinapril | Accupril (ACE inhibitor) |