• We describe a series of five cases in patients of southern Brazil who were chronic users of cocaine/levamisole and presented skin lesions and/or acute kidney injury. • Patient ́s… Click to show full abstract
• We describe a series of five cases in patients of southern Brazil who were chronic users of cocaine/levamisole and presented skin lesions and/or acute kidney injury. • Patient ́s medical records were reviewed and demographic, clinical and laboratorial data were extracted. • Serial urine samples were collected for cocaine and levamisole toxicological analysis; the samples were analyzed by immunochromatographic drug screen test (Abon, Biopharm, China). Confirmatory testing was performed by gas-chromatography-mass spectrometry (GC/MS) in an Agilent 7890A/5975C system (Wilmington, DE, USA).
               
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