Since I am NOT a doctor, shantapicks, I really have no idea what is going on with you. You say, "I had tremendous pain in my knee joint along with inflammation and pain in the muscles above the knee," In my humble and totally non-medical opinion, those symptoms sound like arthritis, but you say you don't have these symptoms upon arising, which is when arthritis is usually at its worse. (I have very severe arthritis and I can barely move when I first get up)
You have numerous and somewhat baffling symptoms, at least to me they are baffling, but you did mention that you had a sed-rate test with a result of 28.
(A sedimentation rate is performed by measuring the rate at which red blood cells (RBCs) settle in a test tube. The RBCs become sediment in the bottom of the test tube over time, leaving the blood serum visible above. The classic sedimentation rate is simply how far the top of the RBC layer has fallen (in millimeters) in one hour. The sedimentation rate INCREASES WITH MORE INFLAMMATION)
The normal sedimentation rate (Westergren method) for males is 0-15 millimeters per hour, females is 0-20 millimeters per hour. The sedimentation rate can be slightly more elevated in the elderly.
It appears that your sed rate is elevated, meaning there is defenit inflammation going on.
Inflammation can cause many of the "arthritic" symptoms you mention, but I just simply don't know if, or how, it relates to your other symptoms.
My advice is to get back with your doctor and discuss in greater detail all your symptoms and get an explanation for that elevated sed rate.
Let us know what you find out, OK?
Peace
Greenlydia