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Drug interactions

Hydrochlorothiazide-irbesartan + Minoxidil

Severity: Moderate

Hydrochlorothiazide-irbesartan 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

Combined use produces additive blood pressure lowering, which is often intended since a diuretic is used to counter minoxidil fluid retention. Excess hypotension and electrolyte disturbance can occur.

What this interaction means in plain words

Hydrochlorothiazide-irbesartan 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-irbesartan belongs to Cardiovascular; Minoxidil belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Additive vasodilatory and diuretic effects on blood pressure.

What to do

Monitor blood pressure, fluid status and electrolytes. Titrate doses carefully.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Hydrochlorothiazide-irbesartan with Minoxidil?

MediHelp rates the interaction as moderate. Hydrochlorothiazide-irbesartan 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. Combined use produces additive blood pressure lowering, which is often intended since a diuretic is used to counter minoxidil fluid retention. Excess hypotension and electrolyte disturbance can occur.

How serious is the interaction between Hydrochlorothiazide-irbesartan 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, fluid status and electrolytes. Titrate doses carefully.

What other medicines interact with Hydrochlorothiazide-irbesartan?

MediHelp also lists interactions of Hydrochlorothiazide-irbesartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-irbesartan page.

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