A member asked:

My son has terrible leg pain, says behind his knees hurt... particular 1 leg, sometimes both. what can this be? i was told growing pains......

A doctor has provided 1 answer

Baker's cyst: Baker's or popliteal cysts are pockets of fluid behind the knees (inside the body) which can create discomfort or a sensation of fullness. It would be uncommon to have cysts in both knees, but anything it possible. Knee pain can also be caused from structural problems in the back, hips or ankles/feet. An orthopedist can help you sort this out!

Answered 8/17/2017

2.9k views

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