Drug interactions
Eprosartan-hydrochlorothiazide + Potassium acid
Severity: Moderate
Eprosartan-hydrochlorothiazide and Potassium acid: 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
Potassium phosphate supplements given with an ARB can cause hyperkalemia because ARBs reduce aldosterone-mediated potassium excretion. The thiazide component partly offsets this, but risk persists, particularly in renal impairment or diabetes.
What this interaction means in plain words
Eprosartan-hydrochlorothiazide and Potassium acid 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
Angiotensin receptor blockade lowers aldosterone-driven renal potassium excretion, adding to the exogenous potassium load.
What to do
Monitor serum potassium and renal function within the first weeks and after dose changes. Reduce or stop the supplement if potassium rises.
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 Eprosartan-hydrochlorothiazide with Potassium acid?
MediHelp rates the interaction as moderate. Eprosartan-hydrochlorothiazide and Potassium acid 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. Potassium phosphate supplements given with an ARB can cause hyperkalemia because ARBs reduce aldosterone-mediated potassium excretion. The thiazide component partly offsets this, but risk persists, particularly in renal impairment or diabetes.
How serious is the interaction between Eprosartan-hydrochlorothiazide and Potassium acid?
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 serum potassium and renal function within the first weeks and after dose changes. Reduce or stop the supplement if potassium rises.
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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