Carbamazepine and Torsemide interaction

Carbamazepine and Torsemide: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Carbamazepine (EQUETRO) label · effective 2025-08-19

Moderate

Elderly patients and patients treated with diuretics are at greater risk of developing hyponatremia.

Warnings and precautionsby drug classView label on DailyMed

From the Torsemide label · effective 2026-07-21

Moderate

Concomitant use of CYP2C9 inducers (e.g., rifampin) increase torsemide clearance and decrease plasma torsemide concentrations.

Drug interactionsby drug classView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.