Behind-the-knee pain could be due to muscle strain or arthritis—or something far more serious. Orthopedic experts say these ...

Knee pain at night is a common condition caused by injury, arthritis, bursitis, gout, and more. When it happens at bedtime, it can also lead to insomnia , which can leave you exhausted during the day.

Unlike gout, though, the symptoms of pseudogout are caused by deposits of tiny crystals of calcium pyrophosphate dihydrate rather than uric acid. In pseudogout, the joint-most often affected is the ...

Gout is a form of inflammatory arthritis that causes severe pain and swelling in ... like your big toe, or your knee. Within hours, the pain and swelling can become intense. Pain relievers and ...