DENVER, CO - SEPTEMBER 15: Santiago Casilla #46 of the San Francisco Giants pitches in the ninth inning against the Colorado Rockies at Coors Field on September 15, 2011 in Denver, Colorado. Santiago ...

Dear Dr. Gott: Four months ago, I injured my arthritic knee while getting into a car. I thought I had twisted it or strained a ligament because it hurt so much at the time. I was told I needed to go ...

Dear Dr. Donohue - About four months ago, a bulge appeared behind my right knee. I saw a doctor. He poked around and finally said it was a cyst. He told me to put a hot, wet towel on it. I did this ...

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Water on the knee, or knee effusion, refers to the buildup of fluid in and around the knee joint. This condition leads to a painful, swollen knee and can be caused by various factors, including ...