Hi, for the past 3 months I've been having a very strange feeling by my knee. The best way to describe it is like a bubble underneath the skin that builds and builds, and then deflates. It comes at all different times during the day, pretty frequently. There is no pain with it and no noise, just a feeling of a bubble or some kind of build up by the knee and then it gets to a certain point and pops or deflates. Does anyone know what this is?
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Brutitis I have this is a fluid filled sac behind your knee cap .runners , falls arthritis and other things cause it.
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