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Peripheral neuropathy

Peripheral neuropathy – More than 100 types of peripheral neuropathy have been identified, each with its own symptoms and prognosis. In general, peripheral neuropathies are classified according to the type of damage to the nerves. Some forms of neuropathy involve damage to only one nerve and are called mononeuropathies. More frequently however, multiple nerves are affected, called polyneuropathy. An estimated 20 million people in the United States have some form of peripheral neuropathy, a condition that develops as a result of damage to the peripheral nervous system — the vast communications network that transmits information between the central nervous system (the brain and spinal cord) and every other part of the body. (Neuropathy means nerve disease or damage.) Autoimmune diseases, in which the immune system attacks the body’s own tissues, can lead to nerve damage. Sjogren’s syndrome, lupus, and rheumatoid arthritis are among the autoimmune diseases that can be associated with peripheral neuropathy. Symptoms can range from numbness or tingling, to pricking sensations (paresthesia), or muscle weakness. Areas of the body may become abnormally sensitive leading to an exaggeratedly intense or distorted experience of touch (allodynia). In such cases, pain may occur in response to a stimulus that does not normally provoke pain. Severe symptoms may include burning pain (especially at night), muscle wasting, paralysis, or organ or gland dysfunction. Most people recover from this autoimmune syndrome although severe cases can be life threatening. In the most extreme cases, breathing may become difficult, or organ failure may occur.

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