I have had a headache for a few weeks. It is extremely painful, on the top, left side of my head.It is constant. As well as pain deep behind my left eye, and ear. I have been to my dr. He said he thinks im having migraines. this is not a migraIne. Too, I have immobilizing pain in my left thigh. I dont sleep. They are always there. I am recently weak,and having vision changes. Thank you in advance