Severe pain start from ankle around and accompanied by headache and unconsciousness. What is it? Kindly help medical history of patient -DM, Hnt,psoriasis and now sudden severe pain from last 5 month. Low back, knee around pain and walking instability/imbalance. Kindly help to diagnose the case. Some positive lab test -esr-125, crp-positive, Rf and anti CCP and uric acid is negative .mild anemia and low vitamin -D i.e 10. DM and Htn is controlled. Kindly help and possible causes and disease for the above conditions. please help.