Citalopram–induced delusions in an older adult

Abstract

IntroductionSelective serotonin reuptake inhibitors (SSRIs) are the most prescribed antidepressants worldwide. In older adults, citalopram is generally well tolerated and safe in the therapeutic dose range of 20 to 40 mg/day. In literature, there are cases of SSRI-induced psychosis, but mainly with fluoxetine. There are only three reported cases of citalopram-induced delusions, however, these case-reports did not involve an older adult.Objectives and aimsTo provide a case of citalopram–induced psychosis in an older adult, followed by the review of available literature.MethodsA case report is presented and discussed followed by a literature review.ResultsA 64-year-old woman without somatic illnesses was referred by a general practitioner with depressive symptoms. One week after initiation of citalopram 10 mg/day she suddenly developed delusions, predominantly in the early morning. No other medical evidence was found that could explain her delusions. After discontinuation of citalopram her delusions quickly resolved.ConclusionThis is the first case report of a SSRI-induced delusion in an older adult. Citalopram has been reported to be one of the safest SSRIs. Although most SSRI's have a mild side-effect profile, care should be taken when initiating SSRIs since unpredictable adverse effects may occur.Disclosure of interestThe authors have not supplied their declaration of competing interest.