This study aimed to analyze demographic and clinical aspects of patients diagnosed with Stevens Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), as well as identifying the actions of health professionals for the management of Adverse Drug Reactions (ADR) in a public hospital in Distrito Federal, Brazil. A descriptive and retrospective research was held, with quantitative approach. Data collected from all the records of 22 patients admitted with diagnosed with SJS and TEN, from January 2005 to September 2012. Data were analyzed using descriptive statistics. Of these cases, 9 were diagnosed with NET and 7, with SJS; there were more females (14); aged from 21 to 40 years (10); 21 were cured; the drugs more used were the antiepileptic ones (10). Fragility in clinical registers and in the actions to monitor the cases of ADR in this health service was observed.