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The arthritis may be mild and involve only a few joints, particularly those at the end of the fingers or toes. In some people the disease may be severe and affect many joints, including the spine. When the spine is affected, the symptoms are stiff...
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The cause of psoriatic arthritis is unknown. As in psoriasis, genetic factors appear to be involved. People with psoriatic arthritis are more likely than others to have close relatives with the disease, but they are just as likely to have relative...
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Joint pain can affect one or more joints. See also: Arthritis (inflammation of joints; Bursitis; Muscle pain.
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Joint swelling is the buildup of fluid in the soft tissue surrounding the joint.
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Achilles tendinitis is inflammation, irritation, and swelling of the Achilles tendon (the tendon that connects the muscles of the calf to the heel.
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