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Drug interactions

Ketorolac + Sulphasalazine

Severity: Moderate

Ketorolac and Sulphasalazine: 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

Both drugs can cause blood dyscrasias and renal or gastrointestinal adverse effects, and ketorolac impairs platelet function and renal perfusion. Ketorolac is also not advised in patients at risk of bleeding or renal impairment.

What this interaction means in plain words

Ketorolac and Sulphasalazine 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; Sulphasalazine belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Additive adverse effects (hematologic, renal, gastrointestinal); no established pharmacokinetic interaction.

What to do

Limit ketorolac to a short course and monitor complete blood count and renal function. Consider a safer analgesic such as paracetamol.

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 Ketorolac with Sulphasalazine?

MediHelp rates the interaction as moderate. Ketorolac and Sulphasalazine 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. Both drugs can cause blood dyscrasias and renal or gastrointestinal adverse effects, and ketorolac impairs platelet function and renal perfusion. Ketorolac is also not advised in patients at risk of bleeding or renal impairment.

How serious is the interaction between Ketorolac and Sulphasalazine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Limit ketorolac to a short course and monitor complete blood count and renal function. Consider a safer analgesic such as paracetamol.

What other medicines interact with Sulphasalazine?

MediHelp also lists interactions of Sulphasalazine with, for example, Deferiprone, Pexidartinib, Sepiapterin. The full list is on the Sulphasalazine 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.

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