Reactive arthritis can affect spine and neck Chlamydia( positive) Finger pain Eye brightness Wrist pain Neck pain and stifness (mostly left side) Spine stifness Buttock irritation(mostly left side) Skin rash (redish with inside pus) When have (cold,mucus) whole pain and stifness go down Knee pain Slightly difficult to bend down Ankle pain Last one year history 👆 (No Swelling / No Redness in joints ) HLA B27 negative ESR Normal CRP Normal RA factor Negative ANA Negative (1.8) titre help me what it is???, need ans from rheumatologist