Drug interactions
Amobarbital + Topiramate
Severity: Moderate
Amobarbital and Topiramate: 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
Both drugs cause CNS depression, so together they may produce marked drowsiness, cognitive slowing and impaired coordination. Barbiturate enzyme induction may also modestly alter topiramate exposure.
What this interaction means in plain words
Amobarbital and Topiramate 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; Topiramate belongs to Central Nervous System.
Why it happens
Additive CNS depression, plus possible enzyme induction by the barbiturate.
What to do
Monitor for excess sedation and cognitive effects, and reassess seizure control and topiramate dosing when barbiturate therapy changes.
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 Topiramate
Frequently asked questions
Can I take Amobarbital with Topiramate?
MediHelp rates the interaction as moderate. Amobarbital and Topiramate 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. Both drugs cause CNS depression, so together they may produce marked drowsiness, cognitive slowing and impaired coordination. Barbiturate enzyme induction may also modestly alter topiramate exposure.
How serious is the interaction between Amobarbital and Topiramate?
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 for excess sedation and cognitive effects, and reassess seizure control and topiramate dosing when barbiturate therapy changes.
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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