Consult your doctor before combining azithromycin and penicillin.
| Gastrointestinal Issues | Nausea, vomiting, diarrhea are common. Severe cases are rare. | Similar gastrointestinal upset; also can cause pseudomembranous colitis (rare but serious). |
| Hypersensitivity Reactions | Rash, itching, swelling. Rarely, anaphylaxis. | Rash, itching, swelling, hives are commoner. Anaphylaxis is a serious possibility. |
| Cardiac Effects | Prolongation of the QT interval, potentially leading to arrhythmias (rare, mostly with high doses). | Generally, no direct cardiac effects, but interactions with other drugs might indirectly affect the heart. |
| Hepatotoxicity | Rare but possible, particularly with high doses or pre-existing liver conditions. Monitor liver function tests. | Generally well-tolerated by the liver. |
| Neurological Effects | Dizziness, headache, and rarely, seizures. | Dizziness and headache are possible. Seizures are less frequent than with azithromycin. |
| Drug Interactions | Interacts with certain medications that prolong the QT interval, increasing arrhythmia risk. Also interacts with antacids, reducing absorption. | Interacts with certain antibiotics (like tetracyclines) and anticoagulants (like warfarin), affecting their effectiveness. |
This table provides a simplified overview. Always review the complete medication guide provided with your prescription. Your physician can provide detailed information based on your individual health profile and medical history. Report any concerning side effects immediately.


