Benazepril and hydrochlorothiazide and Cyclophosphamide interaction

Benazepril and hydrochlorothiazide and Cyclophosphamide: 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 Cyclophosphamide (Frindovyx) label · effective 2026-08-26

Moderate

…inhibitors: ACE inhibitors can cause leukopenia. ● Natalizumab ● Paclitaxel: Increased hematotoxicity has been reported when cyclophosphamide was administered after paclitaxel infusion. ● Thiazide diuretics ● Zidovudine Increased cardiotoxicity ● Anthracyclines ● Cytarabine ● Pentostatin ● Radiation therapy of the cardiac region ● Trastuzumab Increased pulmonary toxicity…

Drug interactionsby drug classView label on DailyMed

From the Benazepril and hydrochlorothiazide (Lotensin HCT) label · effective 2026-02-24

Moderate

Antineoplastic agents (e.g., cyclophosphamide, methotrexate) : Concomitant use of thiazide diuretics may reduce renal excretion of cytotoxic agents and enhance their myelosuppressive effects.

Drug interactionsnames CyclophosphamideView 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.