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Drug interactions

Amlodipine-olmesartan + Potassium iodide

Severity: Moderate

Amlodipine-olmesartan and Potassium iodide: 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 iodide contains potassium and may contribute to hyperkalemia when given with an ARB. The risk is greater with renal impairment or prolonged use.

What this interaction means in plain words

Amlodipine-olmesartan and Potassium iodide 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.

Amlodipine-olmesartan belongs to Cardiovascular; Potassium iodide belongs to Endocrine.

Evidence level: Low

Why it happens

Added potassium load with reduced renal potassium excretion from ARB-induced aldosterone suppression.

What to do

Monitor serum potassium with prolonged or high-dose potassium iodide. Check renal function in at-risk patients.

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 Amlodipine-olmesartan with Potassium iodide?

MediHelp rates the interaction as moderate. Amlodipine-olmesartan and Potassium iodide 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 iodide contains potassium and may contribute to hyperkalemia when given with an ARB. The risk is greater with renal impairment or prolonged use.

How serious is the interaction between Amlodipine-olmesartan and Potassium iodide?

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 with prolonged or high-dose potassium iodide. Check renal function in at-risk patients.

What other medicines interact with Amlodipine-olmesartan?

MediHelp also lists interactions of Amlodipine-olmesartan with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Amlodipine-olmesartan page.

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