Pseudogout is a type of arthritis that causes pain, redness, heat,
and swelling in many joints, symptoms that resemble those of gout. 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 knee. Over
time, pseudogout may damage the cartilage of the joint. As this happens, the
bones rub together and cause joint pain. Pseudogout usually affects people in
their 60s and is rarely seen in people younger than 30.
Pseudogout usually can be relieved with treatment, which may
involve steroid medicines (either oral or injected), aspirating the joint to
relieve pressure, or taking colchicine medicine. Nonsteroidal
anti-inflammatory medications (NSAIDs) may help ease painful attacks.
Anne C. Poinier, MD - Internal Medicine & Mary F. McNaughton Collins, MD, MPH - Internal Medicine
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