Common Side Effects

• Some common side effects are dry mouth, drowsiness, headache and fatigue. Call your doctor if these symptoms persist.
  
  

Unlikely Serious Effects

• Some unlikely effects are mood changes, sore throat, fever, irregular heartbeat and trouble swallowing. You should call your doctor with these symptoms.
  
  

Rare Serious Effects

• Some rare effects are vision changes, seizures and uncontrolled movements of the lips, mouth or tongue. Call your doctor with any of these symptoms.
  
  

Adverse Effects on Men

• This medicine can cause prolonged painful erection in men. You should call your doctor immediately if this occurs.
  
  

Precautions

• Inform your doctor if you have low blood pressure, Alzheimer's, stroke, seizures or cataracts.