Could B: If it is on the outside of the joint where the needle went in, it may have hit a blood vessel on the way in, this can cause bruising ; swelling ; somewhat painful the best thing 2 do is contact ur injector ; report this 2 him/her. This will help 2 c that is the case ; not trouble in the knee joint itself.
Answered 12/16/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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