WHAT IS IT?
Tics present a neurologic condition characterized by involuntary movements that appear suddenly and intermittently. Repetition of nonsense actions (stereotypy) and irresistibility are the main characteristics of these movements. Tics often develop in childhood, but they also can appear in adulthood. The movements may be simple, resembling shock-like contractions of muscles or muscle groups (myoclonic jerks). More often, tics consist of complex movements characterized by head-shaking, eye-blinking, sniffing, arm-waving, touching parts of the body, or making obscene gestures. Besides motor tics, vocal tics may also be present such as barking, throat-clearing, squealing, repetition of one's own sounds or the sounds of others, and explosive, involuntary cursing. Multiplicity of tics and the combination of motor and vocal tics with compulsive and aggressive behavior is characteristic of Gilles de la Tourette's syndrome.
HOW IS IT DIAGNOSED?
History: The individual may complain of involuntary movements or vocalization, and feeling compelled to do so in order to relieve perceived tension. These behaviors can be voluntarily suppressed for brief intervals.
Physical exam shows the presence of motor or vocal tics.
Tests: Psychologic tests, intelligence tests, EEG, CT scan, or MRI are sometimes performed to exclude other disorders.
HOW IS IT TREATED?
When tics are mild and not socially disabling, no treatment is required. When severe, tics can be addressed with medication. Relief of nervous tension by sedative or tranquilizing drugs and psychotherapy may be helpful.
| MEDICATIONS |
| Brand Name |
Active Ingredient |
|
| Lioresal |
Baclofen |
Baclofen 10 mg Tablets |
|
WHAT MIGHT COMPLICATE IT?
Stressful situations can aggravate tics. Also, the presence of an underlying disease such as a tumor may complicate this disorder.
PREDICTED OUTCOME
The course of this disorder is unpredictable; relapses and remissions are common. Tics may be temporary or permanent.
ALTERNATIVES
Retardation, autism,
schizophrenia, drug-induced tardive dyskinesia, tic douloureux, and essential myoclonus are other possibilities.
APPROPRIATE SPECIALISTS
Neurologist and psychiatrist.
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