Drug interactions
Fentanyl transmucosal + Vigabatrin
Severity: Moderate
Fentanyl transmucosal and Vigabatrin: 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
Transmucosal fentanyl acts rapidly and can cause marked sedation and respiratory depression, and vigabatrin adds somnolence. The combination may increase CNS depression.
What this interaction means in plain words
Fentanyl transmucosal and Vigabatrin 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.
Why it happens
Additive CNS and respiratory depression through pharmacodynamic effects.
What to do
Use the lowest effective fentanyl dose and monitor for sedation and respiratory depression. Counsel the patient on warning signs of overdose.
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 Vigabatrin
- Amisulpride + Vigabatrin Moderate
- Asenapine transdermal + Vigabatrin Moderate
- Asenapine + Vigabatrin Moderate
- Avapritinib + Vigabatrin Moderate
- Benzhydrocodone / acetaminophen + Vigabatrin Moderate
- Brexanolone + Vigabatrin Moderate
Frequently asked questions
Can I take Fentanyl transmucosal with Vigabatrin?
MediHelp rates the interaction as moderate. Fentanyl transmucosal and Vigabatrin 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. Transmucosal fentanyl acts rapidly and can cause marked sedation and respiratory depression, and vigabatrin adds somnolence. The combination may increase CNS depression.
How serious is the interaction between Fentanyl transmucosal and Vigabatrin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective fentanyl dose and monitor for sedation and respiratory depression. Counsel the patient on warning signs of overdose.
What other medicines interact with Vigabatrin?
MediHelp also lists interactions of Vigabatrin with, for example, Amisulpride, Asenapine transdermal, Asenapine. The full list is on the Vigabatrin page.
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