Seek emergency medical help if you have signs of an allergic reaction to Toviaz. The symptoms of an allergic reaction include hives or an itchy skin rash. More severe signs include difficulty breathing or swelling of the face, tongue or throat. Call 911 if you experience these symptoms.
Less serious side effects of Toviaz include: dry mouth, dry eyes, blurry vision, dizziness, headache, constipation, difficulty sleeping, insomnia, upset stomach, cough, dry throat, back pain and mild skin rash. Tell your doctor if these become bothersome.
Tell your doctor if you experience any other side effects while taking Toviaz.