Does Gabapentin Interact With Valproic Acid?

Valproic Acid The mean steady-state trough serum valproic acid concentrations prior to and during concomitant gabapentin administration (400 mg three times a day; N=17) were not different and neither were gabapentin pharmacokinetic parameters affected by valproic acid.

Severity: Minor

Severity basis: drug interactions section. Combining Gabapentin (Gabapentinoid anticonvulsant) and Valproic Acid (Anticonvulsant / mood stabilizer) is classified as a minor interaction.

What to Do

This is generally a minor interaction, but review it with your pharmacist to be sure it is safe for you.

From the FDA Label

Valproic Acid The mean steady-state trough serum valproic acid concentrations prior to and during concomitant gabapentin administration (400 mg three times a day; N=17) were not different and neither were gabapentin pharmacokinetic parameters affected by valproic acid.

Source: FDA structured product labeling (set_id 01b810b7-f4c8-4412-bbc5-b9220d8770d8).

Gabapentin

Gabapentinoid anticonvulsant

Brands: Neurontin, Gralise

View Gabapentin safety profile

Valproic Acid

Anticonvulsant / mood stabilizer

Brands: Depakote, Depakene

View Valproic Acid safety profile

Check these against your full medication list in our free Interaction Checker

This information is educational — not medical advice.

This page is provided for general educational purposes and summarizes publicly available data from sources such as the U.S. Food & Drug Administration. It is not a substitute for the judgment of a licensed clinician and should not be used to start, stop, or change any medication. It may be incomplete or out of date, and individual circumstances vary. Always talk with your prescriber or pharmacist about your specific medications and health conditions. If you think you may have a medical emergency, call 911.

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