Extreme pain in knee and thigh

Patient: Hello Doctor, I having extreme pain in knee and burning pain in thigh in my left leg. This condition has been there almost for 6 months now, been visiting multiple doctors not getting right diagnosis. I have been asked to take pain killers like Ugesic. For me just Crocin works for sometime to reduce the pain, but after few hours pain again comes back till I the tablet again.The pain is extreme in knee and one area of my thigh. Also, I have mild pain in my outer hip area, groin area and tender ness in my ankle.Please help me know what is hurting me. Pain is making extremely depressed.Thanks,Ashok

Symptoms: Pain in Knee and Thigh

Images:
Extreme pain in knee and thigh-1

Doctor: