I would like to see MRI
of the knee joint as it looks to me that it can be chondromalacia patellae
. This is softening of knee cartilage
and it can happen in young person. It is self limiting disease i mean it will improve with time. For that time you should take following.
1. Dicerin tablet daily After consulting with your doctor.
daily after consulting with your doctor.
3. static quadriceps exercises.