Cyclobenzaprine: What Are The Possible Side Effects Of Cyclobenzaprine

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What are the possible side effects of cyclobenzaprine?

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

Stop using cyclobenzaprine and call your doctor at once if you have any of these serious side effects:

• fast, pounding, or uneven heartbeats;
• chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
• sudden numbness or weakness, especially on one side of the body;
• sudden headache, confusion, problems with vision, speech, or balance;
• feeling light-headed, fainting;
• confusion, weakness, lack of coordination;
• nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
• seizure (convulsions);
• unusual thoughts or behavior, hallucinations (seeing things); or
• easy bruising or bleeding, unusual weakness.

Less serious side effects may include:

• dry mouth or throat;
• blurred vision;
• drowsiness, dizziness, tired feeling;
• loss of appetite, stomach pain, nausea;
• diarrhea, constipation, gas; or
• muscle weakness.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.

Last updated:	July 22, 2008