People with schizophrenia, bipolar disorder, or irritability due to autism can often benefit from risperidone. The medication works by blocking or lessening the effects of several chemicals in the brain. Risperidone is available as a tablet, orally disintegrating tablets, a liquid, and as an injection. Possible side effects of this drug include drowsiness, increased appetite, and insomnia.
What Is Risperidone?
Risperidone (Risperdal®) is a prescription medication that is used to treat the following conditions:
Risperidone belongs to a group of medications called atypical (or second-generation) antipsychotic medications. It is not entirely known how it works for the treatment of schizophrenia or bipolar disorder. However, it is known that risperidone blocks or lessens the effects of several chemicals in the brain. These brain chemicals (such as dopamine and serotonin) may be elevated in people with schizophrenia, bipolar disorder (also known as manic depression), or autism.
Food and Drug Administration, Center for Drug Evaluation and Research. Electronic orange book: approved drug products with therapeutic equivalence evaluations. FDA Web site. Available at: http://www.fda.gov/cder/ob/. Accessed May 8, 2009.
Buehler, Gary. ANDA approval letter (6/30/2008). Food and Drug Administration, Center for Drug Evaluation and Research. http://www.fda.gov/cder/foi/appletter/2008/076228s000ltr.pdf. Accessed July 29, 2008.
Briggs GG, Freeman RK, Yaffe SJ. Drugs in Pregnancy and Lactation. 7th ed. Philadelphia (PA): Lippincott Williams & Wilkins;2005.
National Library of Medicine (US). Drugs and Lactation Database (LactMED). NLM Web site. Available at: http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT. Accessed May 4, 2007.
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