Knee pain at your age is essentially osteoarthritis.
Try:
1. Local ice packs application.
2. Medications like Cartigen DN, Enzomac and Identical K2 will help.
3. Regular knee quadriceps exercises- static and knee bending .
4. Avoid sitting on floor and use English lavatory.
Next Steps
consult a Orthopaedic Surgeon for clinical evaluation and X-Rays.
intrarticular PRP, Steroid and Hyaluronic Acid offer great help depending on type and stage of osteoarthritis.
Health Tips
no need of applying local pain relief of gel or taking pain medications.
Regular exercises and ice packs will help relieve pain.