Drug interactions
Cefdinir + Heparin
Severity: Minor
Cefdinir and Heparin: minor 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
No documented clinically meaningful interaction exists between cefdinir and heparin. Cefdinir has minimal effect on coagulation. The concern is theoretical.
What this interaction means in plain words
Cefdinir and Heparin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Cefdinir belongs to Anti Bacterial; Heparin belongs to Cardiovascular.
Why it happens
No established mechanism; theoretical additive hemostatic effect only.
What to do
Monitor aPTT or anti-Xa per heparin protocol; no cefdinir-specific adjustment is needed.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Cefdinir
- Aluminum hydroxide + Cefdinir Moderate
- Cefdinir + Cholera vaccine Moderate
- Cefdinir + Famotidine Moderate
- Cefdinir + Gentamicin Moderate
- Cefdinir + Microbiota Moderate
- Cefdinir + Nizatidine Moderate
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 Cefdinir with Heparin?
MediHelp rates the interaction as minor. Cefdinir and Heparin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. No documented clinically meaningful interaction exists between cefdinir and heparin. Cefdinir has minimal effect on coagulation. The concern is theoretical.
How serious is the interaction between Cefdinir and Heparin?
MediHelp rates it minor, 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 per heparin protocol; no cefdinir-specific adjustment is needed.
What other medicines interact with Cefdinir?
MediHelp also lists interactions of Cefdinir with, for example, Aluminum hydroxide, Cholera vaccine, Famotidine. The full list is on the Cefdinir page.
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