I am suffering knee injury , may it be ligament separation .kindly advice me to get appointment .

You should see a doctor if your back pain lasts longer than a few weeks, is severe, or is accompanied by symptoms like fever, numbness, or weakness in the legs. Proper treatment is necessary if the pain follows an accident or injury.

bone marrow is not indicated in this case. is there any history of fever or body ache? if yes, then since how long?

White discharge in case of women points towards vaginal infection. Is there any itching/episode of high grade fever involved? Did she have a urinary tract infection in the recent past? Also, any history of renal stones? She must get her urine examined for routine tests and then visit an OBGYN for a ....