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Drug interactions

Antithrombin alfa + Celecoxib

Severity: Moderate

Antithrombin alfa and Celecoxib: 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

Antithrombin potentiates heparin and inhibits clotting factors, while celecoxib has modest antiplatelet effects and can cause gastrointestinal bleeding. Combined use may add to bleeding risk, particularly with concurrent heparin.

What this interaction means in plain words

Antithrombin alfa and Celecoxib 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.

Evidence level: Low

Why it happens

Additive effects on hemostasis: coagulation inhibition plus NSAID-related platelet and mucosal effects.

What to do

Monitor for bleeding and hemoglobin, and consider whether an NSAID is necessary. Use gastroprotection in patients at high gastrointestinal risk.

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 Antithrombin alfa with Celecoxib?

MediHelp rates the interaction as moderate. Antithrombin alfa and Celecoxib 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. Antithrombin potentiates heparin and inhibits clotting factors, while celecoxib has modest antiplatelet effects and can cause gastrointestinal bleeding. Combined use may add to bleeding risk, particularly with concurrent heparin.

How serious is the interaction between Antithrombin alfa and Celecoxib?

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 for bleeding and hemoglobin, and consider whether an NSAID is necessary. Use gastroprotection in patients at high gastrointestinal risk.

What other medicines interact with Celecoxib?

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

Full monographs, dosing and an interaction checker in the MediHelp app

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