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Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.





This medication relaxes muscles and relieves pain and discomfort due to certain nerve disorders.

How To Use

This drug is taken by mouth, usually three times daily or as directed by your doctor. Dosage is based on your condition and response. Do not increase your dose or take it more often than prescribed. Do not suddenly stop taking this drug without your doctor's approval. It may take 1 to 2 months for full benefit to be noticed.

Side Effects

May cause drowsiness, dizziness, weakness, confusion, headache, nausea, constipation or diarrhea. If these effects persist or worsen, notify your doctor. Unlikely to occur but report promptly: mental/mood changes, seizures, vision changes, muscle stiffness, stomach pain, vomiting, trouble breathing, painful urination, change in urine amount. Very unlikely but report promptly: impotence, chest pain, black stools, fainting, unsteadiness. If you notice other effects not listed above, contact your doctor or pharmacist.


Tell your doctor your medical history, especially of: diabetes, kidney problems, seizures, mental/emotional problems, brain disorders (e.g., stroke), ulcers, allergies (especially drug allergies). Because this drug may cause dizziness or drowsiness, use caution when driving or performing tasks that require alertness. Limit alcohol consumption as it may increase the drowsiness or dizziness effects of this drug. Elderly patients may be more sensitive to the effects of this drug. Use cautiously. This drug should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. This drug is excreted into breast milk. Consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of all over-the-counter or prescription medication you may use, including: sedatives, tranquilizers, narcotic pain relievers, sleeping pills, seizure medication, muscle relaxants, psychiatric medications, certain antihistamines (e.g., diphenhydramine). Check the labels on nonprescription medicines carefully as they may contain ingredients that can add to the drowsiness effect of this drug. This drug may affect certain blood tests. Make sure you inform all your healthcare providers you use this drug. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include vomiting, muscle weakness, drowsiness, slow breathing, and seizures.


Do not allow anyone else to use this medication.

Missed Dose

If you miss a dose, take it as soon as remembered if it is within an hour or so. If you do not remember until later, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the doses.


Store at room temperature between 59 and 86 degrees F (between 15 and 30 degrees C) away from moisture and heat. Do not store in the bathroom.

Medical Alert

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).