Hello Dr, am 34 yrs old suffering from AVN, BCD surgery completed 2 month back still pain is at hip location in addition to this pain started at my Knee on right side , suggest me what shall i do . One of my friend told to take collaflex , this is will give better result for my knee pain . i also started this for a week now. suggest me what to do the next. can t able to walk ,pain is more both hip and knee. Regards, Sugumar.p