Drug interactions
Amlodipine-olmesartan-hydrochlorothiazide + Potassium citrate
Severity: Major
Amlodipine-olmesartan-hydrochlorothiazide and Potassium citrate: major 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
Olmesartan reduces aldosterone-mediated potassium excretion, so added potassium supplementation can lead to hyperkalemia. Hydrochlorothiazide has a potassium-wasting effect that partly offsets this, but the net effect is unpredictable, particularly in renal impairment.
What this interaction means in plain words
Amlodipine-olmesartan-hydrochlorothiazide and Potassium citrate can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Amlodipine-olmesartan-hydrochlorothiazide belongs to Cardiovascular; Potassium citrate belongs to Gastrointestinal Tract.
Why it happens
ARB-induced aldosterone suppression decreases renal potassium excretion, adding to the potassium load from the supplement.
What to do
Check serum potassium and renal function at baseline and shortly after starting, then periodically. Avoid or reduce the supplement if potassium rises or eGFR is reduced.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Amlodipine-olmesartan-hydrochlorothiazide
- Aliskiren + Amlodipine-olmesartan-hydrochlorothiazide Contraindicated
- Amlodipine-olmesartan-hydrochlorothiazide + Dofetilide Contraindicated
- Amlodipine-olmesartan-hydrochlorothiazide + Sparsentan Contraindicated
- Acemetacin + Amlodipine-olmesartan-hydrochlorothiazide Major
- Aldesleukin + Amlodipine-olmesartan-hydrochlorothiazide Major
- Amifostine + Amlodipine-olmesartan-hydrochlorothiazide Major
Other interactions of Potassium citrate
Frequently asked questions
Can I take Amlodipine-olmesartan-hydrochlorothiazide with Potassium citrate?
MediHelp rates the interaction as major. Amlodipine-olmesartan-hydrochlorothiazide and Potassium citrate can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Olmesartan reduces aldosterone-mediated potassium excretion, so added potassium supplementation can lead to hyperkalemia. Hydrochlorothiazide has a potassium-wasting effect that partly offsets this, but the net effect is unpredictable, particularly in renal impairment.
How serious is the interaction between Amlodipine-olmesartan-hydrochlorothiazide and Potassium citrate?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check serum potassium and renal function at baseline and shortly after starting, then periodically. Avoid or reduce the supplement if potassium rises or eGFR is reduced.
What other medicines interact with Amlodipine-olmesartan-hydrochlorothiazide?
MediHelp also lists interactions of Amlodipine-olmesartan-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Amlodipine-olmesartan-hydrochlorothiazide page.
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