Complex regional pain syndrome (CRPS) is a poorly understood condition in which a person develops a persistent (chronic) burning pain in one of their limbs.
Our Health A-Z contains more information on Complex regional pain syndrome.
Psoriatic arthritis affects up to one in five people with [psoriasis](yourmd:/condition/psoriasis/introduction).
Our Health A-Z contains more information on Psoriatic arthritis.
Rheumatoid arthritis is a long-term condition that causes pain, swelling and stiffness in the joints.
Our Health A-Z contains more information on Rheumatoid arthritis.
Scleroderma is an uncommon disease that results in hard, thickened areas of skin and sometimes problems with internal organs and blood vessels.
Our Health A-Z contains more information on Systemic sclerosis.
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.
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