Skip to content

Drug interactions

Diclofenac + Pegaspargase

Severity: Moderate

Diclofenac and Pegaspargase: 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

Pegaspargase can cause coagulopathy and thrombocytopenia, and diclofenac inhibits platelet function and can injure the gastric mucosa. Together they raise the risk of bleeding events.

What this interaction means in plain words

Diclofenac and Pegaspargase 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.

Diclofenac belongs to Musculoskeletal; Pegaspargase belongs to Oncology.

Evidence level: Low

Why it happens

Additive effect of asparaginase-related coagulation factor deficiency and NSAID platelet inhibition.

What to do

Avoid NSAIDs when possible during pegaspargase therapy; if used, monitor platelets and coagulation parameters and watch for bleeding.

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 Diclofenac and Pegaspargase, 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 Diclofenac with Pegaspargase?

MediHelp rates the interaction as moderate. Diclofenac and Pegaspargase 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. Pegaspargase can cause coagulopathy and thrombocytopenia, and diclofenac inhibits platelet function and can injure the gastric mucosa. Together they raise the risk of bleeding events.

How serious is the interaction between Diclofenac and Pegaspargase?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid NSAIDs when possible during pegaspargase therapy; if used, monitor platelets and coagulation parameters and watch for bleeding.

What other medicines interact with Diclofenac?

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