This medicine is a tricyclic antidepressant used to treat depression. It may also be used to treat chronic pain and other conditions as determined by your doctor.

SIDE EFFECTS that may occur while taking this medication include upset stomach, vomiting, drowsiness, weakness or tiredness, excitement or anxiety, difficulty falling asleep or staying asleep, nightmares, restlessness, headaches, dry mouth, constipation, changes in sexual ability, excessive sweating, changes in appetite or weight, confusion and unsteadiness.