Drug interactions
Bretylium + Eprosartan-hydrochlorothiazide
Severity: Moderate
Bretylium and Eprosartan-hydrochlorothiazide: 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
Bretylium frequently causes hypotension through adrenergic neuron blockade, and an ARB plus thiazide adds to this effect. Volume depletion from the diuretic may further increase the risk of symptomatic hypotension.
What this interaction means in plain words
Bretylium and Eprosartan-hydrochlorothiazide 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.
Why it happens
Additive hypotensive effects from adrenergic neuron blockade and renin-angiotensin blockade with diuresis.
What to do
Monitor blood pressure closely during bretylium therapy and consider reducing or temporarily holding the antihypertensive combination if hypotension develops.
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 Eprosartan-hydrochlorothiazide
- Aliskiren + Eprosartan-hydrochlorothiazide Contraindicated
- Dofetilide + Eprosartan-hydrochlorothiazide Contraindicated
- Eprosartan-hydrochlorothiazide + Sparsentan Contraindicated
- Aceclofenac + Eprosartan-hydrochlorothiazide Major
- Aldesleukin + Eprosartan-hydrochlorothiazide Major
- Amifostine + Eprosartan-hydrochlorothiazide Major
Frequently asked questions
Can I take Bretylium with Eprosartan-hydrochlorothiazide?
MediHelp rates the interaction as moderate. Bretylium and Eprosartan-hydrochlorothiazide 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. Bretylium frequently causes hypotension through adrenergic neuron blockade, and an ARB plus thiazide adds to this effect. Volume depletion from the diuretic may further increase the risk of symptomatic hypotension.
How serious is the interaction between Bretylium and Eprosartan-hydrochlorothiazide?
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 closely during bretylium therapy and consider reducing or temporarily holding the antihypertensive combination if hypotension develops.
What other medicines interact with Eprosartan-hydrochlorothiazide?
MediHelp also lists interactions of Eprosartan-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Eprosartan-hydrochlorothiazide page.
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