Info
Tetracyclines of Important Antibacterial Drug Interactions
- Antacids or drugs containing calcium, magnesium, iron, or aluminum
- Can result in decreased oral absorption of tetracyclines. Administer tetracycline 2 h before or 6 h after interacting drug.
- Warfarin
- Increased effect of warfarin. Monitor levels closely if drugs are given concomitantly.
- Eravacycline: Strong CYP3A4 inducers (e.g., rifampin)
- Reduced eravacycline efficacy