Chlorpheniramine and Temsirolimus interaction

Chlorpheniramine and Temsirolimus: the Temsirolimus prescribing label describes 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 Temsirolimus (Torisel) label · effective 2025-12-26

Moderate

TORISEL should be used with caution in patients with known hypersensitivity to an antihistamine, or patients who cannot receive an antihistamine for other medical reasons.

Warnings and precautionsby drug classView label on DailyMed
Minor

• To treat hypersensitivity reactions, stop TORISEL and treat with an antihistamine.

Warnings and precautionsby drug classView label on DailyMed
Minor

An H 1 antihistamine should be administered to patients before the start of the intravenous temsirolimus infusion.

Warnings and precautionsby 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.