Oromandibular dystonia
Alerts and Notices
Synopsis
It may be associated with blepharospasm, cervical dystonia, and/or spasmodic dysphonia. The cause is unknown, although these movements may occur in the setting of tardive syndrome as a result of dopamine-blocking medications. Peak onset of symptoms occurs at 50-60 years of age. The condition is rare and more common in women than in men. There is no cure.
Codes
ICD10CM:G24.4 – Idiopathic orofacial dystonia
SNOMEDCT:
230328001 – Isolated oromandibular dystonia
Look For
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Diagnostic Pearls
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Differential Diagnosis & Pitfalls
- Tics
- Tardive dyskinesia
- Drug-induced movement disorder
- Whipple disease
- Neuroacanthocytosis
- Huntington disease
- Functional neurologic disorder
- Trismus
- Temporomandibular joint disorders
- Bruxism
- Edentulous dyskinesia
Best Tests
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Management Pearls
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Therapy
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Drug Reaction Data
Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.Subscription Required
References
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Last Reviewed:08/13/2019
Last Updated:08/30/2019
Last Updated:08/30/2019