In this Article

• What is tiagabine (Gabitril)?
• What are the possible side effects of tiagabine (Gabitril)?
• What is the most important information I should know about tiagabine (Gabitril)?
• What should I discuss with my healthcare provider before taking tiagabine (Gabitril)?
• How should I take tiagabine (Gabitril)?
• What happens if I miss a dose (Gabitril)?
• What happens if I overdose (Gabitril)?
• What should I avoid while taking tiagabine (Gabitril)?
• What other drugs will affect tiagabine (Gabitril)?
• Where can I get more information?

What happens if I miss a dose (Gabitril)?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.

What happens if I overdose (Gabitril)?

Seek emergency medical attention if you think you have used too much of this medicine.

Overdose symptoms may include slurred speech, weakness, drowsiness, muscle stiffness, problems with coordination, confusion, vomiting, weak or shallow breathing, increased seizures, or feeling hostile or agitated.

What should I avoid while taking tiagabine (Gabitril)?

Tiagabine can cause side effects that may impair your vision or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

Avoid drinking alcohol. It can increase some of the side effects of tiagabine.

What other drugs will affect tiagabine (Gabitril)?

Cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for depression or anxiety can add to sleepiness caused by tiagabine. Tell your doctor if you regularly use any of these medications, or other seizure medications.

Tell your doctor about all other medicines you use, especially:

• medicine to treat a psychiatric disorder;
• diet pills, stimulants, or ADHD medication;
• carbamazepine (Carbatrol, Tegretol);
• divalproex (Depakote);
• phenobarbital (Luminal, Solfoton);
• phenytoin (Dilantin);
• primidone (Mysoline);
• valproic acid (Depakene); or
• narcotic medications such as fentanyl (Actiq, Duragesic), hydrocodone (Lortab, Vicodin), hydromorphone (Dilaudid, Palladone), morphine (Kadian, MS Contin, Oramorph, and others), oxycodone (OxyContin), oxymorphone (Numorphan, Opana), and others.

This list is not complete and there may be other drugs that can interact with tiagabine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about tiagabine.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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