Drug Interaction Checker

Tobacco smoking may reduce the effectiveness of this drug in treating your condition. Tobacco smoke contains substances that speed the removal of this drug from the body, which in theory can make this drug less effective. Alternatively, if you take this drug and suddenly stop Tobacco smoking, you may experience drug-related side effects like confusion, constipation, dizziness, difficulty with urination, dry mouth and eyes or drowsiness. Make sure your prescriber is aware that you smoke Tobacco or if you plan to stop smoking.