Drug interactions
Fentanyl transdermal + Vigabatrin
Severity: Moderate
Fentanyl transdermal 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
Transdermal fentanyl provides sustained opioid exposure with a risk of sedation and respiratory depression, and vigabatrin adds somnolence. The combined effect may be additive, especially during initiation and dose increases.
What this interaction means in plain words
Fentanyl transdermal 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
Monitor for sedation and respiratory depression, particularly during titration, and use the lowest effective fentanyl dose. Warn the patient about driving and about heat exposure to the patch.
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 transdermal with Vigabatrin?
MediHelp rates the interaction as moderate. Fentanyl transdermal 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. Transdermal fentanyl provides sustained opioid exposure with a risk of sedation and respiratory depression, and vigabatrin adds somnolence. The combined effect may be additive, especially during initiation and dose increases.
How serious is the interaction between Fentanyl transdermal 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: Monitor for sedation and respiratory depression, particularly during titration, and use the lowest effective fentanyl dose. Warn the patient about driving and about heat exposure to the patch.
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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