Drug interactions
Hydrochlorothiazide-valsartan + Minoxidil
Severity: Moderate
Hydrochlorothiazide-valsartan and Minoxidil: moderate interaction.
Last updated
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.
Summary
Minoxidil is a potent vasodilator and is often given with a diuretic; adding hydrochlorothiazide increases the blood pressure reduction. Hypotension and electrolyte or volume disturbances may occur, but the combination is often intended to control fluid retention.
What this interaction means in plain words
Hydrochlorothiazide-valsartan and Minoxidil can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Hydrochlorothiazide-valsartan belongs to Cardiovascular; Minoxidil belongs to Cardiovascular.
Why it happens
Additive antihypertensive effect from arteriolar vasodilation plus diuretic-induced volume reduction.
What to do
Monitor blood pressure, heart rate, weight and electrolytes, and adjust doses to avoid excessive hypotension.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Hydrochlorothiazide-valsartan
- Aliskiren + Hydrochlorothiazide-valsartan Contraindicated
- Dofetilide + Hydrochlorothiazide-valsartan Contraindicated
- Hydrochlorothiazide-valsartan + Sparsentan Contraindicated
- Aldesleukin + Hydrochlorothiazide-valsartan Major
- Amifostine + Hydrochlorothiazide-valsartan Major
- Amiloride + Hydrochlorothiazide-valsartan Major
Other interactions of Minoxidil
Frequently asked questions
Can I take Hydrochlorothiazide-valsartan with Minoxidil?
MediHelp rates the interaction as moderate. Hydrochlorothiazide-valsartan and Minoxidil can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Minoxidil is a potent vasodilator and is often given with a diuretic; adding hydrochlorothiazide increases the blood pressure reduction. Hypotension and electrolyte or volume disturbances may occur, but the combination is often intended to control fluid retention.
How serious is the interaction between Hydrochlorothiazide-valsartan and Minoxidil?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure, heart rate, weight and electrolytes, and adjust doses to avoid excessive hypotension.
What other medicines interact with Hydrochlorothiazide-valsartan?
MediHelp also lists interactions of Hydrochlorothiazide-valsartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-valsartan page.
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