Drug interactions
Amobarbital + Ganaxolone
Severity: Major
Amobarbital and Ganaxolone: 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 can lower ganaxolone levels through CYP3A4 induction, risking reduced seizure control. Both drugs also depress the central nervous system, so sedation may be additive.
What this interaction means in plain words
Amobarbital and Ganaxolone 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; Ganaxolone belongs to Central Nervous System.
Why it happens
CYP3A4 induction increases ganaxolone metabolism, and both agents have additive GABAergic CNS depressant effects.
What to do
Avoid the combination where possible. If it is necessary, monitor seizure frequency and sedation and adjust ganaxolone within the labeled maximum daily dose.
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 Ganaxolone
- Apalutamide + Ganaxolone Major
- Armodafinil + Ganaxolone Major
- Carbamazepine + Ganaxolone Major
- Enzalutamide + Ganaxolone Major
- Ganaxolone + Phenytoin Major
- Ganaxolone + Rifampicin Major
Frequently asked questions
Can I take Amobarbital with Ganaxolone?
MediHelp rates the interaction as major. Amobarbital and Ganaxolone 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 can lower ganaxolone levels through CYP3A4 induction, risking reduced seizure control. Both drugs also depress the central nervous system, so sedation may be additive.
How serious is the interaction between Amobarbital and Ganaxolone?
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 the combination where possible. If it is necessary, monitor seizure frequency and sedation and adjust ganaxolone within the labeled maximum daily dose.
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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