hi I have Ankolysing spondolitis problem since last 10 years.what medicine should  I take for pain ?since last 2 months I have severe pain,I cannot stand and walk.I have taken NEUCOXIA-90 then I got some relieve in my pain but last 2-3 days it again severe.

Summarized question: How to reduce pain due to Ankylosing spondylitis?