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Drug interactions

Captopril-hydrochlorothiazide + Epoprostenol

Severity: Moderate

Captopril-hydrochlorothiazide and Epoprostenol: 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

Epoprostenol is a potent vasodilator, so adding it to captopril and hydrochlorothiazide can cause additive hypotension. Dizziness, flushing and syncope are possible, especially during dose titration.

What this interaction means in plain words

Captopril-hydrochlorothiazide and Epoprostenol 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; Epoprostenol belongs to Genitourinary.

Evidence level: Moderate

Why it happens

Additive vasodilation and blood pressure lowering.

What to do

Monitor blood pressure during epoprostenol initiation and titration. Reduce the dose of the antihypertensive agents if symptomatic hypotension occurs.

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 Epoprostenol?

MediHelp rates the interaction as moderate. Captopril-hydrochlorothiazide and Epoprostenol 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. Epoprostenol is a potent vasodilator, so adding it to captopril and hydrochlorothiazide can cause additive hypotension. Dizziness, flushing and syncope are possible, especially during dose titration.

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

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 during epoprostenol initiation and titration. Reduce the dose of the antihypertensive agents if symptomatic hypotension occurs.

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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