Skip to content

Drug interactions

Potassium iodide + Sulindac

Severity: Minor

Potassium iodide and Sulindac: 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

Potassium iodide supplies potassium and sulindac can reduce renal potassium excretion, so serum potassium may rise. The risk is greatest in renal impairment or with other potassium-raising drugs.

What this interaction means in plain words

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

Potassium iodide belongs to Endocrine; Sulindac belongs to Musculoskeletal.

Evidence level: Low

Why it happens

NSAIDs suppress renin and aldosterone via reduced prostaglandin synthesis, reducing renal potassium excretion, adding to potassium load.

What to do

Monitor serum potassium in patients with renal impairment or on other agents that raise potassium, particularly with prolonged use.

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 Potassium iodide and Sulindac, 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 Potassium iodide with Sulindac?

MediHelp rates the interaction as minor. Potassium iodide and Sulindac have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Potassium iodide supplies potassium and sulindac can reduce renal potassium excretion, so serum potassium may rise. The risk is greatest in renal impairment or with other potassium-raising drugs.

How serious is the interaction between Potassium iodide and Sulindac?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum potassium in patients with renal impairment or on other agents that raise potassium, particularly with prolonged use.

What other medicines interact with Sulindac?

MediHelp also lists interactions of Sulindac with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Sulindac 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