Stiff person syndrome


Type of disease: Rare conditions

Stiff person syndrome (SPS) is a rare neurological disorder with features of an autoimmune disease. Symptoms may include muscle stiffness in the trunk and limbs, and heightened sensitivity to noise, touch, and emotional distress, which can set off muscle spasms. Affected people may also have abnormal postures, such as being hunched over. SPS affects twice as many women as men. It is frequently associated with other autoimmune diseases such as diabetes, thyroiditis, vitiligo, and pernicious anemia. The exact causes of SPS is not known. Treatment may involve high-dose diazepam, anti-convulsants, or intravenous immunoglobulin (IVIG).Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.

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