Can Chlamydia trigger directly ankylosng Spondylitis??? Last year I have chalmydia infection sudden weakness in whole body after 2 days of infection after 2 days my left knee was slighty painfull with no swelling ,fingers pain (no swelling and no redness) Eye brightness while sunlight Nail thickness can visible ,after 2 months have back pain and stiffness,neck pain(stifness) (DISCOMFORT) Till now also have pain in back , discomfort back ,HELP ME wat prob it is?? Took test for ankylosing Spondylitis Chlamydia -Positive (ELISA) Negative HLA B27 CRP- ESR were normal MRI normal