I've been on the depo shot for almost six months. At first I experienced light spotting after my second injection; however for the past three weeks I've been experiencing heavy bleeding, passing of blood clots, severe headaches, feelings of light-head and extremely painful cramps that doubles me over. I have a history of a ruptured cyst and one miscarriage and the pain that I'm feeling are sometimes very similar to those two events.... I'm not sure if I should continue to take pain relievers and wait until the shot us out of my system to see if these symptoms will go away or go to the ER. Any advice will be greatly appreciated.