Sir, since 2 months back i used to have pain in the left and sometime right side of my head, the pain actually start most of the time from back of my head and move to the side and it is actually paining in between my skull and skin, when it pain i used to touch my head and can feel it, sometimes when it pain it also radiate to my neck and shoulder, it also cause dizziness sometimes, so please sir what will be the exact cause of this, please help me