Tiagabine Side Effects and Warnings

What are the precautions when taking this medicine?

• Wear disease medical alert identification.

• If you have been taking this medicine for several weeks, talk with healthcare provider before stopping. You may want to gradually withdraw this medicine.

• Follow laws about driving with a seizure condition.

• If you have liver disease, talk with healthcare provider.

• Check medicines with healthcare provider. This medicine may not mix well with other medicines.

• You may not be alert. Avoid driving, doing other tasks or activities until you see how this medicine affects you.

• Avoid alcohol (includes wine, beer, and liquor) or other medicines and natural products that slow your actions and reactions.

• Avoid grapefruit and grapefruit juice.

• Do not take St John's wort with this medicine. It may make this medicine less effective.

• Tell healthcare provider if you are pregnant or plan on getting pregnant.

• Tell healthcare provider if you are breast-feeding.

What are some possible side effects of this medicine?

• Feeling lightheaded, sleepy, having blurred vision, or a change in thinking clearly. Avoid driving, doing other tasks or activities that require you to be alert or have clear vision until you see how this medicine affects you.

• Feeling dizzy. Rise slowly over several minutes from sitting or lying position. Be careful climbing.

• Difficulty moving around.

• Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.

• Dry mouth. Frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.

• Increased appetite.

• Diarrhea.

• Shakiness.

• Nervous and excitable.

• May rarely cause seizures in patients who do not have them.

Reasons to call healthcare provider immediately

• If you suspect an overdose, call your local poison control center or emergency department immediately.

• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.

• Signs or symptoms of depression, suicidal thoughts, nervousness, emotional ups and downs, abnormal thinking, anxiety, or lack of interest in life.

• If seizures are worse or different after starting medicine.

• If the medicine is being used to treat something other than seizures.

• Significant change in balance.

• Significant change in thinking clearly and logically.

• Severe nausea or vomiting.

• Severe diarrhea.

• Sudden change in vision or in the way you see color.

• Feeling extremely tired or weak.

• Any rash.

• No improvement in condition or feeling worse.