| • Non-steroidal anti-inflammatory drugs | • Iron, potassium chloride |
| • Digoxin | • Levodopa |
| • Antibiotics (macrolides, metronidazole) | • Theophylline |
| • Corticosteroids, oestrogens | • Quinidine |
| • Niacin, gemfibrozil | |
| • Colchicine | |
| • Non-steroidal anti-inflammatory drugs | • Iron, potassium chloride |
| • Digoxin | • Levodopa |
| • Antibiotics (macrolides, metronidazole) | • Theophylline |
| • Corticosteroids, oestrogens | • Quinidine |
| • Niacin, gemfibrozil | |
| • Colchicine | |