• Tardive Dyskinesia



    Tardive dyskinesia (TD) is a neurological syndrome. It results from using antipsychotic drugs. This class of drugs is used to treat psychiatric conditions, like schizophrenia. TD consists of a group of symptoms including:
    • Abnormal twisting movements
    • Abnormal postures due to sustained muscle contractions


    It is unclear exactly why Tardive dyskinesia develops. Long-term use of antipsychotics can cause changes in the brain chemistry that lead to the symptoms. Nerve cells may also become overly sensitive to certain substances. Not everyone who takes these drugs develops TD.

    Risk Factors

    Tardive dyskinesia (TD) is more common in women and in people over the age of 54. Other factors that may increase your risk of TD include:
      Use of antipsychotics, especially if the drugs:
      • Are taken in high doses for longer than 6 months
      • Are first-generation drugs, which are the first drugs developed to treat a condition
    • Use of metoclopramide and prochlorperazine—These medications are used to treat gastrointestinal problems, like nausea, vomiting, delayed bowel emptying, and gastroesophageal reflux disease (GERD), especially if taken for more than 3 months
    • Possible genetic factor
    • Having a disease that may require using antipsychotics, such as:
      • Mood or other psychiatric disorders
      • Behavioral problems that occur with psychiatric or neurologic disorders, such as agitation in Alzheimer's disease
      • Digestive disorders


    Tardive dyskinesia (TD) causes repetitive movements. Movements usually occur in the face, mouth, limbs, or trunk. The movements are involuntary and serve no purpose. They may occur occasionally or all of the time. They may or may not be noticeable. Symptoms may begin while on the drug or within weeks of stopping it.
    Symptoms may include:
    • Grimacing
    • Sticking out the tongue
    • Twisting the tongue
    • Chewing
    • Sucking
    • Smacking lips
    • Puckering lips
    • Blinking eyes
    • Facial tics
    • Foot tapping
    • Moving fingers as if playing the piano
    • Rapidly moving arms, legs, or body
    • Writhing movements
    • Pelvic thrusts
    • Grunting
    • Sighing
    • Noisy breathing
    They can worsen with:
    • Stress
    • Moving other parts of the body
    • Taking certain drugs
    Symptoms may decrease with:
    • Relaxation
    • Sleep
    • Purposely moving the affected body part


    The doctor will ask about your symptoms and medical history. A physical exam will be done. Other disorders can cause symptoms similar to those of Tardive dyskinesia (TD). The doctor will rule out other disorders before making a diagnosis. There is no specific test for TD.
    Tests to rule out other disorders may include:
    • Blood tests
    • Imaging tests can evaluate the brain and surrounding structures. They may include:
    CT Scan of the Head
    CT Scan of the Head
    Copyright © Nucleus Medical Media, Inc.


    To treat Tardive dyskinesia, your doctor may:
    • Stop the antipsychotic medication
    • Lower the dose
    • Switch you to a different medication
    • Recommend vitamin B6 or vitamin E, which may reduce the risk of worsening symptoms
    Symptoms may decrease over time even if you continue to take the antipsychotic drug. Younger people tend to do better.


    Some medications may help decrease symptoms, such as:
    • Trihexyphenidyl
    • Reserpine
    • Propranolol
    • Clonidine
    • Baclofen
    • Sedatives
    • Antiseizure drugs
    • Antipsychotic drugs that may help with movement disorders
    • Melatonin
    • Diphenhydramine


    Deep Brain Stimulation (DBS) is being evaluated for the treatment of Tardive dyskinesia.


    To help reduce your chances of TD from an antipsychotic drug:
      Talk with your doctor about:
      • Risks and benefits of the medication
      • Whether the dose is right for you and how well the drug is working
      • Other medications you can try that have less risk of TD
      • Whether you can take a drug holiday to take a break from using the medication
      • For even a small symptom of TD that you have—early treatment works best
    • Do not stop taking your medication without first talking to your doctor. If you stop the drug right away, it may trigger TD.
    • See your doctor on a regular basis as advised.


    National Alliance on Mental Illness http://www.nami.org

    National Institute of Neurological Disorders and Stroke http://www.ninds.nih.gov


    Canadian Mental Health Association http://www.cmha.ca

    Mental Health Canada http://www.mentalhealthcanada.com


    Bai YM, Yu SC, Linn CC. Risperidone for severe tardive dyskinesia: A 12-week randomized, double-blind, placebo-controlled study. J Clin Psychiatry. 2003;64(11):1342-1348.

    Damier P. Drug-induced dyskinesias. Curr Opin Neurol. 2009;22(4):394-399.

    Kinon BJ, Jeste DV, Kollack-Walker S, Stauffer V, Liu-Seifert H. Olanzapine treatment for tardive dyskinesia in schizophrenia patients: a prospective clinical trial with patients randomized to blinded dose reduction periods. Prog Neuropsychopharmacol Biol Psychiatry. 2004;28(6):985-996.

    McGrath JJ, Soares KV. Neuroleptic reduction and/or cessation and neuroleptics as specific treatments for tardive dyskinesia. Cochrane Database Syst Rev. 2006;(1):CD000459.

    Meco G, Fabrizio E, Epifanio A. Levetiracetam in tardive dyskinesia. Clin Neuropharmacol. 2006;29(5):265-268.

    Pham DQ, Plakogiannis R. Vitamin E supplementation in Alzheimer’s disease, Parkinson’s disease, tardive dyskinesia, and cataract: Part 2. Ann Pharmacother. 2005;39(12):2065-2072.

    Sachdev PS. The current status of tardive dyskinesia. Australian and New Zealand Journal of Psychiatry. 2000;34(3):355-369.

    Soares KV, McGrath JJ. The treatment of tardive dyskinesia: A systematic review and meta-analysis. Izophr Res. 1999;39(1):1-16.

    Tardive dyskinesia. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T113751/Tardive-dyskinesia. Updated June 8, 2015. Accessed May 14, 2016.

    Thema B, Srivastava V, Tiwari AK. Genetic underpinnings of tardive dyskinesias: passing the baton to pharmacogenetics. Pharmacogenomics. 2008;9(9):1285-1306.

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