Baclofen is a muscle relaxer and an antispastic agent.

Baclofen is used to treat muscle symptoms caused by multiple sclerosis, including spasm, pain, and stiffness.

Baclofen may also be used for purposes not listed in this medication guide.

This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Drinking alcohol can increase certain side effects of baclofen.

Do not use baclofen at a time when muscle tone is needed to assure safe balance and movement for certain activities. In some situations, it may endanger your physical safety to be in a state of reduced muscle tone.

You may have withdrawal symptoms such as seizures or hallucinations, when you stop using baclofen after using it over a long period of time.

Do not stop using baclofen without first talking to your doctor. You may need to use less and less before you stop the medication completely.

Using baclofen may increase your risk of developing an ovarian cyst. Talk with your doctor about your specific risk.

You should not use baclofen if you are allergic to it.

To make sure you can safely take baclofen, tell your doctor if you have any of these other conditions:

• kidney disease;

• epilepsy or other seizure disorder; or

• a history of stroke or blood clots.

Using baclofen may increase your risk of developing an ovarian cyst. Talk with your doctor about your specific risk.

FDA pregnancy category C. It is not known whether baclofen will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

It is not known whether baclofen passes into breast milk or if it could harm a nursing baby. You should not breast-feed while you are using baclofen.

Do not give this medication to a child younger than 12 years old.

Older adults may be more sensitive to the effects of this medicine.