I have Ankyolosing Spondilities since 1999,pesently I am 38 yrs old,my height is 5.6 & weight is 76 kgs.I am facing severe pain in S.I joints(Back),Knees,Neck,Ribs,Spine,Ankels and muscle stiffness.I am treated by Dr. S. Umachandran / Apollo Hospitals,Chennai in 1999.My name is Samit Ghosh (Mobile:0000).Please advice what medicine should i take to relief from pain & stiffness, some time i am taking tablet Etoshine-90,but presently it is ineffected.