Moexipril and Promethazine interaction

Moexipril and Promethazine: the Moexipril prescribing label flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Moexipril (Moexipril Hydrochloride) label · effective 2026-01-23

Major

None of the cases were considered life-threatening and all resolved either without treatment or with medication (antihistamines or glucocorticoids).

Warningsby drug classView label on DailyMed
Minor

In instances where swelling has been confined to the face and lips, the condition has generally resolved without treatment, although antihistamines have been useful in relieving symptoms.

Warningsby drug classView label on DailyMed

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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.