Tiagabine

Name: Tiagabine Drug Interactions
Creator: Dr. Brian Staiger, PharmD, BCPS

3 interactions

Also sold as: Gabitril Gabitril®

About Tiagabine

Tiagabine is used in combination with other medications to treat partial seizures (a type of epilepsy). Tiagabine is in a class of medications called anticonvulsants. It is not known exactly how tiagabine works, but it increases the amount of natural chemicals in the brain that prevent seizure activity. Read the full Tiagabine drug information page →

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jun 30, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Calcifediol Orlistat

2 Major 1 Moderate

All (3) Major (2) Moderate (1)

Moderate

Tiagabine Folic Acid Folacin Reduced folic acid exposure and reduced efficacy of folic acid Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.