Drug interactions
Ethotoin + Heparin
Severity: Moderate
Ethotoin and Heparin: 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
Hydantoin anticonvulsants may alter anticoagulant response, and data for ethotoin with heparin specifically are very limited. Any effect is poorly defined and the evidence comes mainly from related drugs.
What this interaction means in plain words
Ethotoin and Heparin 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.
Why it happens
Possible protein-binding competition and enzyme induction by hydantoins; the interaction with heparin is not well established.
What to do
Monitor aPTT or anti-Xa when starting or stopping ethotoin during heparin therapy. Adjust the heparin dose according to the results.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Ethotoin and Heparin, 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.
Other interactions of Heparin
- Defibrotide + Heparin Contraindicated
- Heparin + Ketorolac Contraindicated
- Heparin + Oritavancin Contraindicated
- Acemetacin + Heparin Major
- Acetylsalicylic acid + Heparin Major
- Alteplase + Heparin Major
Frequently asked questions
Can I take Ethotoin with Heparin?
MediHelp rates the interaction as moderate. Ethotoin and Heparin 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. Hydantoin anticonvulsants may alter anticoagulant response, and data for ethotoin with heparin specifically are very limited. Any effect is poorly defined and the evidence comes mainly from related drugs.
How serious is the interaction between Ethotoin and Heparin?
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 aPTT or anti-Xa when starting or stopping ethotoin during heparin therapy. Adjust the heparin dose according to the results.
What other medicines interact with Heparin?
MediHelp also lists interactions of Heparin with, for example, Defibrotide, Ketorolac, Oritavancin. The full list is on the Heparin 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.
