Thank you for the inquiry.
it is recommended to take an x-ray of the knee to find out the possibilities of fluid collection and degenerative changes in the joint.
please try the following medicines
1murivenna(which is available in all ayurveda stores) bandage in the knee
2.tablet: arthoven 2tablets thrice daily after food(or cap.arjith forte)
2 tablets twice daily after food
dr.devidas vellodi 9747480903