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Excessive Fragmentary Myoclonus

Description

Excessive fragmentary myoclonus is characterized by muscle twitches in the fingers, toes and edges of the mouth. Movements can occur for several hours during the night and can also occur while the patient is awake.

Diagnosis

This disorder is most common among adult men. It is diagnosed in patients who complain of daytime sleepiness related to muscle contractions. Patients may also have other sleep or movement disorders.

Treatment

Clonazepam is the most commonly prescribed treatment. Other anti-convulsant medications may work as well.

Source: Adapted from International Classification of Sleep Disorders Diagnostic & Coding Manual, American Academy of Sleep Medicine.