Drug interactions

carbamazepine + clarithromycin

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Overview

Severity: Major · Evidence level: High

↑ carbamazepine levels → ataxia, nystagmus, hyponatremia.

Mechanism of action

CYP3A4 inhibition.

Clinical management

Avoid or reduce CBZ with level monitoring; consider azithromycin instead.

Drug reference

References

Frequently asked questions

Can I take carbamazepine with clarithromycin?

The interaction is rated: Major. ↑ carbamazepine levels → ataxia, nystagmus, hyponatremia.

How serious is the interaction between carbamazepine and clarithromycin?

The interaction is rated: Major. Evidence level: High.

How is the interaction between carbamazepine and clarithromycin managed?

Avoid or reduce CBZ with level monitoring; consider azithromycin instead.

Why do carbamazepine and clarithromycin interact?

CYP3A4 inhibition.

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