Before you consider the use of this type of tricyclic antidepressant, it is suggested that you speak with your mental health professional beforehand about the possible drug interactions and the side effects that may occur with the use of this drug. Some of the most common side effects that some patients have noticed while using this antidepressant include constipation, dizziness, blurred vision, drowsiness, dry mouth, problems urinating, headaches, and weakness.