Infections: Rheumatoid arthritis can start at any age. Ghonorrhea can do this as well as other infections google it. The list is long. If hot and red see a doctor soon if it goes away on it's own that does not mean the problem is over.It can be deeper in the body and more dangerous.
Answered 9/28/2016
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Many: Joints stiffness could be by arthritis or trauma muscle weakness , inflammation of the joints scleroderma, infection of the joints and others.
Answered 3/26/2013
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