Generic Innopran XL has been know to cause several side effects, among them: dizziness, lightheadedness, drowsiness, tiredness, diarrhea, unusual dreams, trouble sleeping, vision problems, reduced blood flow to hands and feet, symptoms of a very slow heartbeat (persistent dizziness, fainting, unusual fatigue), bluish discoloration of the fingers and toes, numbness/tingling/swelling of the hands or feet, decreased sexual ability, reversible hair loss, mental/mood changes, trouble breathing, cough, unexplained or sudden weight gain, increased thirst, increased urination, easy bruising or bleeding, persistent sore throat or fever. These can be treated by a local doctor who may have to adjust your dose.