The table below summarises characteristic (if not necessarily the most common) side-effects of drugs used antibiotics
| Drug | Side-effect |
|---|---|
| Amoxicillin | Rash with infectious mononucleosis |
| Co-amoxiclav | Cholestasis |
| Flucloxacillin | Cholestasis (usually develops several weeks after use) |
| Erythromycin | Gastrointestinal upset |
| Prolongs QT interval | |
| Ciprofloxacin | Lowers seizure threshold |
| Tendonitis | |
| Metronidazole | Reaction following alcohol ingestion |
| Doxycycline | Photosensitivity |
| Trimethoprim | Rashes, including photosensitivity |
| Pruritus | |
| Suppression of haematopoiesis |