Drug interactions
Amobarbital + Avatrombopag
Severity: Moderate
Amobarbital and Avatrombopag: 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
Amobarbital may lower avatrombopag exposure by inducing metabolizing enzymes, potentially reducing platelet count response. Moderate to strong dual inducers have been shown to reduce avatrombopag levels.
What this interaction means in plain words
Amobarbital and Avatrombopag 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.
Amobarbital belongs to Central Nervous System; Avatrombopag belongs to Miscellaneous.
Why it happens
Induction of CYP3A4 and CYP2C9 metabolism of avatrombopag by the barbiturate.
What to do
Monitor platelet counts and adjust avatrombopag dose per labeling when a dual inducer is started or stopped. Prefer a non-inducing sedative if possible.
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?
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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 Avatrombopag
- Amiodarone + Avatrombopag Moderate
- Avatrombopag + Bosentan Moderate
- Avatrombopag + Carbamazepine Moderate
- Avatrombopag + Enzalutamide Moderate
- Avatrombopag + Fluconazole Moderate
- Avatrombopag + Ketoconazole Moderate
Frequently asked questions
Can I take Amobarbital with Avatrombopag?
MediHelp rates the interaction as moderate. Amobarbital and Avatrombopag 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. Amobarbital may lower avatrombopag exposure by inducing metabolizing enzymes, potentially reducing platelet count response. Moderate to strong dual inducers have been shown to reduce avatrombopag levels.
How serious is the interaction between Amobarbital and Avatrombopag?
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 platelet counts and adjust avatrombopag dose per labeling when a dual inducer is started or stopped. Prefer a non-inducing sedative if possible.
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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