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A member asked:

What causes knee swelling and tightness?

A doctor has provided 1 answer
Dr. John Michalski answered

Specializes in Orthopedic Surgery

Knee swelling: Effusion comes from synovial irritation, arthritis, connective tissue disease, injury. Hemarthrosis can be from fracture, major ligament or vessel injury.

Dr Ali agreed

Answered 9/8/2018

5.5k views

Thank

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I have pain behind my knee, also in my calf, it feels tight, If I lay down it doesn't hurt but when I stand up it does. I have No injury. It looks normal, no redness or swelling and doesn't hurt to the touch, what could this be?

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