Skip to content

Drug interactions

Dalteparin + Sulindac

Severity: Major

Dalteparin and Sulindac: 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

Sulindac inhibits platelet function and can damage the gastric mucosa, while dalteparin reduces clotting through anti-Xa activity. Combined use increases the chance of clinically significant bleeding.

What this interaction means in plain words

Dalteparin and Sulindac 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.

Dalteparin belongs to Cardiovascular; Sulindac belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive pharmacodynamic effect: NSAID antiplatelet action and mucosal injury combined with low molecular weight heparin anticoagulation.

What to do

Avoid concurrent use where possible and use paracetamol for analgesia. If both are required, monitor for bleeding and check hemoglobin and renal function.

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.

Pro+ members

Unlock the full page

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

Frequently asked questions

Can I take Dalteparin with Sulindac?

MediHelp rates the interaction as major. Dalteparin and Sulindac 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. Sulindac inhibits platelet function and can damage the gastric mucosa, while dalteparin reduces clotting through anti-Xa activity. Combined use increases the chance of clinically significant bleeding.

How serious is the interaction between Dalteparin and Sulindac?

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 concurrent use where possible and use paracetamol for analgesia. If both are required, monitor for bleeding and check hemoglobin and renal function.

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