Drug interactions
Amobarbital + Heparin
Severity: Minor
Amobarbital 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
Barbiturates induce hepatic enzymes, but heparin is cleared mainly by the reticuloendothelial system and renal routes, not by CYP metabolism. No clinically meaningful reduction in heparin effect is expected.
What this interaction means in plain words
Amobarbital 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.
Amobarbital belongs to Central Nervous System; Heparin belongs to Cardiovascular.
Why it happens
No established mechanism; heparin is not significantly metabolized by hepatic enzymes.
What to do
No dose adjustment is needed; monitor aPTT or anti-Xa as is routine for heparin therapy.
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 Heparin
- Defibrotide + Heparin Contraindicated
- Heparin + Ketorolac Contraindicated
- Heparin + Oritavancin Contraindicated
- Acemetacin + Heparin Major
- Acetylsalicylic acid + Heparin Major
- Alteplase + Heparin Major
Other interactions of Amobarbital
- Amobarbital + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Amobarbital + Doravirine Contraindicated
- Amobarbital + Elbasvir / grazoprevir Contraindicated
- Amobarbital + Isavuconazonium Contraindicated
- Amobarbital + Isocarboxazid Contraindicated
- Amobarbital + Lonafarnib Contraindicated
Frequently asked questions
Can I take Amobarbital with Heparin?
MediHelp rates the interaction as minor. Amobarbital 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. Barbiturates induce hepatic enzymes, but heparin is cleared mainly by the reticuloendothelial system and renal routes, not by CYP metabolism. No clinically meaningful reduction in heparin effect is expected.
How serious is the interaction between Amobarbital 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: No dose adjustment is needed; monitor aPTT or anti-Xa as is routine for heparin therapy.
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.
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