<s>[INST] my left knee is swollen double in size due to I twisted my knee a couple of weeks ago and it s been acting up since but today I did a lot of outside work and also housework and now my knee is killing me - I cannot bend it though I can walk but very slowly and I have a hard time sitting down due to bending my knee - my email is: YYYY@YYYY thank you - what I need is a cortisone shot in my knee [/INST] Hello, It might be due to conditions like arthritis. Consult an orthopedician and plan for an MRI scan. As of now, analgesics like Aceclofenac or Tramadol can be tried. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Shinas Hussain, General & Family Physician </s>