Drug interactions
Amobarbital + Vonoprazan
Severity: Major
Amobarbital and Vonoprazan: 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
Amobarbital may decrease vonoprazan exposure, potentially reducing acid suppression and healing or eradication outcomes.
What this interaction means in plain words
Amobarbital and Vonoprazan 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.
Amobarbital belongs to Central Nervous System; Vonoprazan belongs to Gastrointestinal Tract.
Why it happens
Induction of CYP3A4 by amobarbital accelerates vonoprazan metabolism.
What to do
Avoid concurrent use with strong or moderate CYP3A inducers. Consider an alternative acid suppressant and monitor symptom control.
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?
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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
Other interactions of Vonoprazan
- Apalutamide + Vonoprazan Major
- Atazanavir + Vonoprazan Major
- Carbamazepine + Vonoprazan Major
- Erlotinib + Vonoprazan Major
- Phenytoin + Vonoprazan Major
- Armodafinil + Vonoprazan Moderate
Frequently asked questions
Can I take Amobarbital with Vonoprazan?
MediHelp rates the interaction as major. Amobarbital and Vonoprazan 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. Amobarbital may decrease vonoprazan exposure, potentially reducing acid suppression and healing or eradication outcomes.
How serious is the interaction between Amobarbital and Vonoprazan?
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 with strong or moderate CYP3A inducers. Consider an alternative acid suppressant and monitor symptom control.
What other medicines interact with Amobarbital?
MediHelp also lists interactions of Amobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Amobarbital page.
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