Complications of laparoscopic surgery and laparotomies for endometriosis include: Sore throat due to respirator/trachesotomy for general anesthesia Shoulder pain for several days Pains from the surgical scars General malaise for a day or two. Other complications are rare but more significant and include: Damage to the bowel or urinary tract Bleeding into the stomach Adhesions between the abdominal organs (can cause pain and infertility) Venous thrombosis in the feet and pulmonary embolism Abdominal infection After surgery, it is sometimes necessary to give hormone therapy to suppress ovarian activity, in order to prevent re-creation of the cysts. The treatment should continue as long as there is menstruation or no pregnancy.