Skip to content

Drug interactions

Ketorolac + Potassium chloride

Severity: Moderate

Ketorolac and Potassium chloride: 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

Ketorolac can reduce renal potassium excretion by suppressing prostaglandin-mediated renin and aldosterone release and by lowering renal function. When given with potassium supplements, serum potassium may rise, particularly in older patients, those with kidney disease or diabetes.

What this interaction means in plain words

Ketorolac and Potassium chloride 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.

Ketorolac belongs to Musculoskeletal; Potassium chloride belongs to Gastrointestinal Tract.

Evidence level: Moderate

Why it happens

NSAID-induced inhibition of renal prostaglandins causes hyporeninemic hypoaldosteronism and reduced potassium excretion, adding to the exogenous potassium load.

What to do

Monitor serum potassium and creatinine during combined use, especially in renal impairment. Limit ketorolac duration and adjust the potassium dose if hyperkalemia develops.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Ketorolac and Potassium chloride, 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 14 days on the web. No card needed.

Frequently asked questions

Can I take Ketorolac with Potassium chloride?

MediHelp rates the interaction as moderate. Ketorolac and Potassium chloride 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. Ketorolac can reduce renal potassium excretion by suppressing prostaglandin-mediated renin and aldosterone release and by lowering renal function. When given with potassium supplements, serum potassium may rise, particularly in older patients, those with kidney disease or diabetes.

How serious is the interaction between Ketorolac and Potassium chloride?

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 creatinine during combined use, especially in renal impairment. Limit ketorolac duration and adjust the potassium dose if hyperkalemia develops.

What other medicines interact with Ketorolac?

MediHelp also lists interactions of Ketorolac with, for example, Aceclofenac, Acemetacin, Acetylsalicylic acid. The full list is on the Ketorolac 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