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Medications and Drugs

Brand Names: Lioresal

Generic Name: baclofen (Pronunciation: BAK loe fen)

What is baclofen (Lioresal)?

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.

Baclofen 10 mg-GEN

round, white, imprinted with G, BN 10

Baclofen 10 mg-MAJ

round, white, imprinted with 10, Z 4096

Baclofen 10 mg-MYL

round, imprinted with BN 10, G

Baclofen 10 mg-QUA

oval, white, imprinted with V, 22 65

Baclofen 10 mg-TEV

round, white, imprinted with 4096, TV

Baclofen 10 mg-WAT

round, white, imprinted with 10, DAN 5730

Baclofen 10mg-QUA

round, white, imprinted with BAC 10, 832

Baclofen 20 mg-MYL

round, white, imprinted with BN 20, G

Baclofen 20 mg-QUA

oval, white, imprinted with V, 22 66

Baclofen 20 mg-TEV

round, white, imprinted with 4097, TV

Baclofen 20 mg-UPS

round, white, imprinted with 832 BC 20

Baclofen 20 mg-WAT

round, white, imprinted with 20, DAN 5731

What are the possible side effects of baclofen (Lioresal)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • seizure (convulsions);
  • confusion, hallucinations; or
  • an uneven heartbeat.

Less serious side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about baclofen (Lioresal)?

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.

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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