| DRUGS WHICH MAY DISCOLOR FECES |
| Black |
| Acetazolamide |
| Aluminum Hydroxide |
| Aminophylline |
| Amphetamine |
| Amphotericin B |
| Bismuth salts |
| Chlorpropamide |
| Clindamycin |
| Corticosteroids |
| Cyclophosphamide |
| Cytarabine |
| Digitalis |
| Ethacrynic acid |
| Ferrous salts |
| Hydrocortisone |
| Iodide containing drugs |
| Melphalan |
| Methyprednisolone |
| Methyltrexate |
| Phenylephrine |
| Potassium salts |
| Prednisolone |
| Procarbazine |
| Sulfonamides |
| Tetracycline |
| Theophylline |
| Thiotepa |
| Triamcinolone |
| Warfarin |
| Blue |
| Chloramphenicol |
| Methylene blue |
| Green |
| Indomethacin |
| Medroxyprogesterone |
| Yellow |
| Senna |
| Pink / Red |
| Anticoagulants |
| Aspirin |
| Barlum |
| Heparin |
| Oxyphenbutazone |
| Phenylbutazone |
| Tetracycline syrup |
| Orange / Red |
| Phenazopyridine |
| Rifampin |
| Black / White Specking |
| Aluminum Hydroxide |
| Antibiotics (oral) |
| Barium |