Baclofen (Lioresal)

This muscle relaxant acts on the nerves of the spinal cord, decreasing the number and severity of muscle spasms and relieving pain. Your doctor may prescribe Lioresal to help treat your tension-type headaches. It's important to take the drug exactly as prescribed by your doctor, even after symptoms have disappeared--and to talk to your doctor before giving up the medication. Stopping abruptly may cause hallucinations and seizures.

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Although side effects from baclofen are uncommon, they may include:

• Drowsiness
• Nausea
• Dizziness
• Weakness
• Confusion
• Headache
• Insomnia
• Rash
• Constipation

Call your doctor immediately if any of your side effects change in intensity, or if you experience difficulty breathing, seizures, develop a rash, or feel extremely tired or weak.

If your doctor suggests baclofen, let him or her know if you have any drug allergies or any history of kidney disease, epilepsy, ulcer disease, stroke, rheumatic disease, cerebral palsy, Parkinson's disease, or any psychiatric conditions. Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. Tell your doctor of any other prescription, over-the-counter, herbal, or vitamin products you are taking.