PMID: 26909002Feb 26, 2016Paper

Do SSRI Antidepressants Increase The Risk of Extrapyramidal Side Effects In Patients Taking Antipsychotics?

P & T : a Peer-reviewed Journal for Formulary Management
Matthew AllsbrookRandolph Regal

Abstract

Among antidepressants, selective serotonin reup-take inhibitors (SSRIs) have enjoyed great popularity among clinicians as well as generally wide acceptance and tolerance among patients. A potentially overlooked side effect of SSRIs is the occasional occurrence of extrapyramidal symptoms (EPS), which could be a concern when SSRIs are used with antipsychotics. This study was designed to explore the possible association between SSRI antidepressant use and the incidence of EPS side effects in patients who take concomitant antipsychotic medications. The University of Michigan conducted a study at the four Michigan state mental health hospitals between May 2010 and October 2010. The Michigan Public Health Institute collected data using the InterRAI Mental Health Assessment (InterRAI MH). The present study is a retrospective cohort analysis of the cross-sectional data that were collected. Within these institutions, 693 residents were using antipsychotics. We measured the observed frequency of seven EPS recorded in the InterRAI MH within three groups of patients: 1) those on antipsychotic drugs who were taking an SSRI antidepressant; 2) those on antipsychotic drugs who were not taking an antidepressant; and 3) those on antipsychotic dr...Continue Reading

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