Drug interactions
Avatrombopag + Secobarbital
Severity: Moderate
Avatrombopag and Secobarbital: 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
Secobarbital induces CYP3A4 and may induce CYP2C9, which can lower avatrombopag exposure and reduce the platelet response.
What this interaction means in plain words
Avatrombopag and Secobarbital 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.
Avatrombopag belongs to Miscellaneous; Secobarbital belongs to Central Nervous System.
Why it happens
Induction of CYP3A4 and CYP2C9 increases avatrombopag clearance.
What to do
Monitor platelet counts and follow the labeled dose increase for ITP when combined with inducers. Reassess the dose when the barbiturate is stopped.
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 Secobarbital
- Calcium / magnesium / potassium / sodium oxybates + Secobarbital Contraindicated
- Doravirine + Secobarbital Contraindicated
- Elbasvir / grazoprevir + Secobarbital Contraindicated
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Secobarbital Contraindicated
- Isavuconazonium + Secobarbital Contraindicated
- Lonafarnib + Secobarbital Contraindicated
Other interactions of Avatrombopag
- Amiodarone + Avatrombopag Moderate
- Amobarbital + Avatrombopag Moderate
- Avatrombopag + Bosentan Moderate
- Avatrombopag + Carbamazepine Moderate
- Avatrombopag + Enzalutamide Moderate
- Avatrombopag + Fluconazole Moderate
Frequently asked questions
Can I take Avatrombopag with Secobarbital?
MediHelp rates the interaction as moderate. Avatrombopag and Secobarbital 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. Secobarbital induces CYP3A4 and may induce CYP2C9, which can lower avatrombopag exposure and reduce the platelet response.
How serious is the interaction between Avatrombopag and Secobarbital?
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 follow the labeled dose increase for ITP when combined with inducers. Reassess the dose when the barbiturate is stopped.
What other medicines interact with Secobarbital?
MediHelp also lists interactions of Secobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Secobarbital page.
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