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Tiagabine

Tiagabine hydrochloride tablet is indicated as adjunctive therapy in adults and children 12 years and older in the treatment of partial seizures.

Medication guideLabel updated 2018-11-02

Selected manufacturer label information, organised into consistent sections by Sofidex. Read the full label at DailyMed ↗

Drug facts

Used for
Tiagabine hydrochloride tablet is indicated as adjunctive therapy in adults and children 12 years and older in the treatment of partial seizures.

What it is used for

Tiagabine hydrochloride tablets are a prescription medicine used with other medicines to treat partial seizures in adults and children age 12 and older. Who should not take tiagabine hydrochloride tablets? Do not take tiagabine hydrochloride tablets if you are allergic to tiagabine hydrochloride or any of the other ingredients in tiagabine hydrochloride tablets. See the end of this Medication Guide for a complete list of ingredients in tiagabine hydrochloride tablets. What should I tell my healthcare provider before taking tiagabine hydrochloride tablets? Before taking tiagabine hydrochloride tablets, tell your healthcare provider if you:

  • have or have had depression, mood problems, or suicidal thoughts or behavior
  • have liver problems
  • have a history of seizures that do not stop (status epilepticus)
  • have any other medical conditions
  • are pregnant or plan to become pregnant. It is not known if tiagabine hydrochloride tablets can harm your unborn baby. Tell your healthcare provider right away if you become pregnant while taking tiagabine hydrochloride tablets. You and your healthcare provider will decide if you should take tiagabine hydrochloride tablets while you are pregnant.
    • If you become pregnant while taking tiagabine hydrochloride tablets, talk to your healthcare provider about registering with the North American Antiepileptic Drug (NAAED) Pregnancy Registry. The purpose of this registry is to collect information about the safety of antiepileptic medicines during pregnancy. You can enroll in this registry by calling 1-888-233-2334.
  • are breastfeeding or plan to breastfeed. It is not known if tiagabine passes into breast milk or if it can harm your baby. Talk to your healthcare provider about the best way to feed your baby if you take tiagabine hydrochloride tablets.

Tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Taking tiagabine hydrochloride tablets with certain other medicines can cause side effects or affect how well they work. Do not start or stop other medicines without talking to your healthcare provider. Know the medicines you take. Keep a list of them and show it to your healthcare provider and pharmacist when you get a new medicine. Always tell your healthcare provider if there are any changes in any other medicines that you take. How should I take tiagabine hydrochloride tablets?

  • Take tiagabine hydrochloride tablets exactly as your healthcare provider tells you.
  • Your healthcare provider may change your dose.
  • Tiagabine hydrochloride tablets should be taken with food.
  • Do not stop taking tiagabine hydrochloride tablets without talking to your healthcare provider. Stopping tiagabine hydrochloride tablets suddenly can increase your chances of having a seizure or cause seizures that will not stop.
  • If you miss a dose of tiagabine hydrochloride tablets, do not take 2 doses of tiagabine hydrochloride tablets at the same time. Contact your healthcare provider if you miss more than one dose.

If you take too many tiagabine hydrochloride tablets, call your healthcare provider or local Poison Control Center right away. What should I avoid while taking tiagabine hydrochloride tablets?

  • Do not drink alcohol or take other medicines that make you sleepy or dizzy while taking tiagabine hydrochloride tablets without first talking to your healthcare provider. Taking tiagabine hydrochloride tablets with alcohol or drugs that cause sleepiness or dizziness may make your sleepiness or dizziness worse.
  • Do not drive, operate heavy machinery, or do other dangerous activities until you know how tiagabine hydrochloride tablets affect you. Tiagabine hydrochloride tablets can slow your thinking and motor skills.

Side effects, and when to stop

Tiagabine hydrochloride tablets may cause other serious side effects including:

  • s eizures that can happen more often or become worse
  • trouble concentrating, problems with speech and language, feeling confused, feeling sleepy and tired, and problems thinking
  • weakness all over your body
  • eye and vision problems
  • serious rash

Call your healthcare provider right away if you have any of the serious side effects listed above. The most common side effects of tiagabine hydrochloride tablets include:

  • dizziness
  • lack of energy
  • drowsiness
  • nausea
  • nervousness
  • tremor
  • stomach pain
  • abnormal thinking
  • difficulty with concentration or attention

These are not all the possible side effects of tiagabine hydrochloride tablets. For more information, ask your healthcare provider or pharmacist. Tell your healthcare provider if you have any side effect that bothers you or that does not go away. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. How should I store tiagabine hydrochloride tablets?

  • Store tiagabine hydrochloride tablets at 20° to 25°C (68° to 77°F); excursions permitted between 15° and 30°C (59° and 86°F).
  • Keep tiagabine hydrochloride tablets out of light
  • Keep tiagabine hydrochloride tablets dry

Keep tiagabine hydrochloride tablets and all medicines out of the reach of children. General Information about Tiagabine Hydrochloride Tablets Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use tiagabine hydrochloride tablets for a condition for which it was not prescribed. Do not give tiagabine hydrochloride tablets to other people, even if they have the same symptoms that you have. It may harm them. This Medication Guide summarizes the most important information about tiagabine hydrochloride tablets. If you would like more information, talk with your healthcare provider. You can ask your pharmacist or healthcare provider for information about tiagabine hydrochloride tablets that is written for health professionals. For more information, call 1-800-818-4555. What are the ingredients in tiagabine hydrochloride tablets? Active Ingredient: tiagabine hydrochloride, USP Inactive Ingredients: Hydrogenated vegetable oil, anhydrous lactose, butylated hydroxyanisole, pregelatinized maize starch, colloidal silicon dioxide, talc, crospovidone, titanium dioxide, hypromellose, polyethylene glycol. In addition, individual tablets contain:

  • 2 mg tablets: FD&C Yellow No. 6 and polysorbate 80.
  • 4 mg tablets: Lactose monohydrate and D&C Yellow No. 10.

This Medication Guide has been approved by the U.S. Food and Drug Administration. Distributed by: Sun Pharmaceutical Industries, Inc. Cranbury, NJ 08512 Manufactured by: Sun Pharmaceutical Industries Ltd. Halol-Baroda Highway, Halol-389 350, Gujarat, India. ISS. 09/2016 PJPI0353C

Cite this page

NLM

sofidex [Internet]. Daloreum; c2026. Tiagabine; [reviewed 2026 Aug 2; cited 2026 Nov 10]. Available from: https://sofidex.com/patients/medicines/tiagabine

APA 7th

sofidex. (2026, August 2). Tiagabine. Daloreum. Retrieved November 10, 2026, from https://sofidex.com/patients/medicines/tiagabine

AMA 11th

Tiagabine. sofidex. Reviewed August 2, 2026. Accessed November 10, 2026. https://sofidex.com/patients/medicines/tiagabine

The cited date is today’s, because a citation records when you read the page. The reviewed date is when a clinician last checked it.