Twitching
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US National Guidelines Clearinghouse on Twitching
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Phone:617-525-6884
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Twitching, in medical terminology, refers to a type of involuntary muscle contraction. A twitch differs from a reflex eye muscle contraction in that a twitch tends to be repetitive, unwanted, lacking obvious cause, and is not considered part of the normal operation of the body.
Causes
Among the chief causes of a twitch are:
- Pinched nerve or other nerve injury.
- Stimulant abuse.
- Parkinson's disease.
- Epilepsy.
- Amyotrophic lateral sclerosis.
- Benign fasciculation syndrome.
- Stress.
Twitching can also develop as a habitual behavior, being a sign of no specific disorder.
Because twitching may be a sign of serious illness, it is highly recommended that individuals experiencing prolonged twitching seek medical attention.
See also
- Fasciculation
- tic (a similar but more voluntary action)
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
