Knee arthritis at this age is very rare. X ray wise, standing x ray with few other special view will be needed for confirmation.
Next Steps
For the treatment or medicines, visit nearest orthopedic surgeon or consult me online.
Health Tips
Active Joint Range of Motion Exercises-Full flexion/Extension to be achieved at 1 week, followed by Static and Dynamic Quadriceps/Hamstring Exercises
• Avoid ground-level activities like squatting and cross-leg sitting. Use English/sitting commode for toilet activities.