Hi Thanks for writing to Health Care Magic Endometriosis is abnormal growth of endometrial cells which usually lines the uterus grows somewhere else. Endometriosis causes pain in the abdomen, lower back or pelvic areas which are often relieved by pain relieving medicines and hormones. Primary goal of endometriosis treatment is relief of pain and/or enhancement of fertility if possible. The hot flashes which you are experience is most probable side effect of medications prescribed to you. Hot flushes are common with Gonadotropin-releasing hormone analogs. Kindly do visit your doctor I am sure she would not for a bit feel that you are complaining; on the contrary she can help you in relieving your pain and hot flushes. Wishing you a fast recovery and excellent standard of living. Hope that answers your query Take Care :)