A member asked:

Can anyone tell me what causes tightness, tingling, and slight pain behind the knees?

A doctor has provided 1 answer

Popliteal cysts?: Fluid in the knee joint can result in cysts forming behind the knee. While this might be uncommon, it could relate to your symptoms. See a rheumatologist or an ortho.

Answered 7/1/2014

3.9k views

Thank

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