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Drug interactions

Captopril-hydrochlorothiazide + Vardenafil

Severity: Moderate

Captopril-hydrochlorothiazide and Vardenafil: 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

Vardenafil is a vasodilator and can lower blood pressure, which may add to the effects of an ACE inhibitor and thiazide. Symptomatic hypotension is possible, especially in volume-depleted or older patients.

What this interaction means in plain words

Captopril-hydrochlorothiazide and Vardenafil 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.

Captopril-hydrochlorothiazide belongs to Cardiovascular; Vardenafil belongs to Genitourinary.

Evidence level: Moderate

Why it happens

Additive vasodilation through PDE5 inhibition and antihypertensive effects.

What to do

Start vardenafil at the lowest dose and monitor blood pressure and symptoms. Advise patients to rise slowly and report dizziness or fainting.

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 Captopril-hydrochlorothiazide with Vardenafil?

MediHelp rates the interaction as moderate. Captopril-hydrochlorothiazide and Vardenafil 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. Vardenafil is a vasodilator and can lower blood pressure, which may add to the effects of an ACE inhibitor and thiazide. Symptomatic hypotension is possible, especially in volume-depleted or older patients.

How serious is the interaction between Captopril-hydrochlorothiazide and Vardenafil?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Start vardenafil at the lowest dose and monitor blood pressure and symptoms. Advise patients to rise slowly and report dizziness or fainting.

What other medicines interact with Captopril-hydrochlorothiazide?

MediHelp also lists interactions of Captopril-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Sacubitril / valsartan. The full list is on the Captopril-hydrochlorothiazide page.

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