Skip to content

Drug interactions

Losartan + Patiromer

Severity: Minor

Losartan and Patiromer: minor 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

Patiromer binds cations in the gut and could in theory bind other oral drugs, but studies with losartan found no clinically important change in exposure. Dose separation is not required for losartan.

What this interaction means in plain words

Losartan and Patiromer have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Losartan belongs to Cardiovascular; Patiromer belongs to Miscellaneous.

Evidence level: Moderate

Why it happens

Theoretical binding of drug in the gastrointestinal tract by the patiromer polymer, not shown to be clinically relevant for losartan.

What to do

No dose separation is required for losartan; continue to monitor serum potassium as usual during patiromer therapy.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Losartan and Patiromer, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Losartan with Patiromer?

MediHelp rates the interaction as minor. Losartan and Patiromer have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Patiromer binds cations in the gut and could in theory bind other oral drugs, but studies with losartan found no clinically important change in exposure. Dose separation is not required for losartan.

How serious is the interaction between Losartan and Patiromer?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose separation is required for losartan; continue to monitor serum potassium as usual during patiromer therapy.

What other medicines interact with Losartan?

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

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in