<s>[INST] My daughter is 9yrs old and has a clicking sound in her knee and oflate she is complaining of pain and is not able to squat.she has fever now and I took her to the doc and he has asked her to do some muscle strengthening exercises.Will that help?or shuold I take her to a Ortho?. [/INST] Hi, If he is unable to squat with pain and fever it could be infection septic arthritis. Please consult orthopedician. Get an X-ray done along with antibiotics. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Prasanna Lakshmi, Pediatrician </s>