For the past year, it s hard to sleep at night because my back, left Groin and pain down my legs keeps me awake. It has gotten much worse. I went to a sports doctor that gave me exercises to do. I do them and that hasn t helped. I work out 3 times a week. in the last couple of weeks, the pain in my groin has increased tremendously during the day also. About 20 years ago, I was diagnosed with a ruptured disk in my lower back. I have had a few epidural shots that helped tremendously. I think that the pain in my groin and legs is probably related to that. What kind of doctor do I need to see? Also, I had my pros tate removed about 2 years ago and am cancer free as of now.