Drug interactions
Amlodipine-hydrochlorothiazide-valsartan + Potassium acid
Severity: Moderate
Amlodipine-hydrochlorothiazide-valsartan 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
Valsartan reduces aldosterone-mediated potassium excretion, so potassium phosphate supplements may cause hyperkalemia, especially in renal impairment or diabetes. Hydrochlorothiazide partly offsets this by increasing potassium loss.
What this interaction means in plain words
Amlodipine-hydrochlorothiazide-valsartan 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
ARB-induced aldosterone suppression reduces renal potassium excretion, adding to the potassium load, while the thiazide promotes potassium loss.
What to do
Monitor serum potassium and renal function after starting or changing the supplement. Adjust the supplement dose according to results.
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 Amlodipine-hydrochlorothiazide-valsartan
- Aliskiren + Amlodipine-hydrochlorothiazide-valsartan Contraindicated
- Amlodipine-hydrochlorothiazide-valsartan + Dofetilide Contraindicated
- Amlodipine-hydrochlorothiazide-valsartan + Sparsentan Contraindicated
- Aceclofenac + Amlodipine-hydrochlorothiazide-valsartan Major
- Aldesleukin + Amlodipine-hydrochlorothiazide-valsartan Major
- Amifostine + Amlodipine-hydrochlorothiazide-valsartan Major
Frequently asked questions
Can I take Amlodipine-hydrochlorothiazide-valsartan with Potassium acid?
MediHelp rates the interaction as moderate. Amlodipine-hydrochlorothiazide-valsartan 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. Valsartan reduces aldosterone-mediated potassium excretion, so potassium phosphate supplements may cause hyperkalemia, especially in renal impairment or diabetes. Hydrochlorothiazide partly offsets this by increasing potassium loss.
How serious is the interaction between Amlodipine-hydrochlorothiazide-valsartan 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 after starting or changing the supplement. Adjust the supplement dose according to results.
What other medicines interact with Amlodipine-hydrochlorothiazide-valsartan?
MediHelp also lists interactions of Amlodipine-hydrochlorothiazide-valsartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Amlodipine-hydrochlorothiazide-valsartan page.
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