What are the possible side effects of Tizanidine?
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. Call your doctor at once if you have any of these serious side effects: feeling light-headed, fainting, slow heart rate hallucinations, confusion, unusual thoughts or behavior nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or burning or pain when you urinate Less serious side effects may be more likely to occur, such as: drowsiness or dizziness feeling anxious or nervous numbness or tingling stomach pain, diarrhea, constipation, vomiting fever dry mouth muscle weakness, back pain increased muscle tone or spasms; or sweating or skin rash This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
