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Drugs and diseases reference index

Drugs and diseases reference index

Definition of «Dystonia»

Dystonia: Involuntary movements and prolonged muscle contraction, resulting in twisting body motions, tremor, and abnormal posture. These movements may involve the entire body, or only an isolated area. Symptoms may even be "task specific," such as writer's cramp. Dystonia can be inherited, occur sporadically without any genetic pattern, or be associated with medications or diseases (for example, a specific form of lung cancer). The gene responsible for at least one form of dystonia has recently been identified. Some types of dystonia respond to dopamine, or can be controlled with sedative-type medications, or surgery.

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