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Dystonia

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Definition: An attitude or posture due to the co-contraction of agonists and antagonist muscles in one region of the body. It most often affects the large axial muscles of the trunk and limb girdles. Conditions which feature persistent or recurrent episodes of dystonia as a primary manifestation of disease are referred to as DYSTONIC DISORDERS. (Adams et al., Principles of Neurology, 6th ed, p77)  do not confuse with MUSCLE HYPERTONIA or MUSCLE HYPOTONIA; DYSTONIC DISORDERS is available   
See Also Dystonia Musculorum Deformans; Dystonic Disorders; Torsion Abnormality
Examples Torticollis 		Other names Paroxysmal Dystonia; Limb Dystonia; Dystonia, Muscle; Diurnal Dystonia; Dystonia, Paroxysmal; Dystonia, Limb; Dystonia, Diurnal; Muscle Dystonia
 
SubstanceCAS Registry & nameCategoriesSource
Familial paroxysmal dystonia  0   *Dystonia.
Torsion dystonia with onset in infancy  0   *Dystonia *Eye Abnormalities.
Mohr-Tranebjaerg syndrome  0   *Dystonia *Intellectual Disability *Optic Atrophy *Deaf-Blind Disorders.
Epilepsy, rolandic with paroxysmal exercise-induced dystonia and writer's cramp  0   *Dystonia *Epilepsy, Rolandic *Dystonic Disorders.

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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