I have ankylosing spondilitis & rheumatoid artrithis, I have developed a pain at the base of my skull & pressure in my head, got ct scan & lumbar puncture on thurs in hos as pain was so bad my gp thought i might have a bleed in the brain, but no. Cld this pain be caused by the ankylosing? They gave me meds but not working, I am also just finished simpoini injections & now on Humira, but had to come off them with last mth as due surgery for ovarian cyst.