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    Tardive dyskinesia

    Tardive dyskinesia is a disorder that involves involuntary movements, especially of the lower face. Tardive means "delayed" and dyskinesia means "abnormal movement."

    Causes

    Tardive dyskinesia is a serious side effect that occurs when you take medications called neuroleptics. Most often, it occurs when you take the medication for many months or years, but in some cases it can occur after you take them for as little as 6 weeks.

    The drugs that most commonly cause this disorder are older antipsychotic drugs, including:

    • Chlorpromazine
    • Fluphenazine
    • Haloperidol
    • Trifluoperazine

    Other drugs, similar to these antipsychotic drugs, that can cause tardive dyskinesia include:

    • Flunarizine (Sibelium)
    • Metoclopramide
    • Prochlorperazine

    Newer antipsychotic drugs seem less likely to cause tardive dyskinesia, but they are not entirely without risk.

    Symptoms

    • Facial grimacing
    • Finger movement
    • Jaw swinging
    • Repetitive chewing
    • Tongue thrusting

    Outlook (Prognosis)

    If diagnosed early, the condition may be reversed by stopping the drug that caused the symptoms. Even if the antipsychotic drugs are stopped, the involuntary movements may become permanent and in some cases may become significantly worse.

    References

    Kompoliti K, Horn SS, eds. Drug-induced and iatrogenic neurological disorders. In: Goetz CG, ed. Textbook of Clinical Neurology. 3rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 55.

    Lang A. Other movement disorders. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 434.

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    • Central nervous system

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      • Central nervous system

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      A Closer Look

        Review Date: 5/21/2012

        Reviewed By: Luc Jasmin, MD, PhD, Department of Neurosurgery at Cedars-Sinai Medical Center, Los Angeles, and Department of Anatomy at UCSF, San Francisco, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.

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        St. Luke's Hospital - 232 South Woods Mill Road - Chesterfield, MO 63017 Main Number: 314-434-1500 Emergency Dept: 314-205-6990 Patient Billing: 888-924-9200
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