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Drug interactions

Ketorolac + Salicylates

Severity: Major

Ketorolac and Salicylates: 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

Ketorolac combined with non-acetylated salicylates adds gastrointestinal and renal toxicity because both reduce prostaglandin synthesis. The drug class is vague, but ketorolac labeling advises against concurrent salicylates or NSAIDs.

What this interaction means in plain words

Ketorolac and Salicylates 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.

Evidence level: Moderate

Why it happens

Additive prostaglandin inhibition with GI mucosal injury and reduced renal blood flow.

What to do

Avoid combined use and choose a single agent. If unavoidable, monitor renal function and for gastrointestinal bleeding.

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?

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 Ketorolac with Salicylates?

MediHelp rates the interaction as major. Ketorolac and Salicylates 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. Ketorolac combined with non-acetylated salicylates adds gastrointestinal and renal toxicity because both reduce prostaglandin synthesis. The drug class is vague, but ketorolac labeling advises against concurrent salicylates or NSAIDs.

How serious is the interaction between Ketorolac and Salicylates?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combined use and choose a single agent. If unavoidable, monitor renal function and for gastrointestinal bleeding.

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

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