Brief and repetitive episodes of perceptual changes, termed paroxysmal perceptual alteration (PPA), have been described in association with antipsychotic treatment. We report a case of paranoid schizophrenia who had such perceptual changes akin to PPA for 15 years, which was not related to antipsychotic treatment. There was a rapid resolution of PPA after treatment with low-dose clonazepam.

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http://dx.doi.org/10.1097/MJT.0000000000000220DOI Listing

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