Most of the patients (7 patients, 53.8%) developed SJS/TEN after the first dose of the COVID-19 vaccine, similar to our case. Stevens-Johnson syndrome/toxic epidermal necrolysis overlap case possibly induced by COVID-19 vaccine Stevens-Johnson syndrome (SJS), Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN) overlap syndrome and TEN are considered to be a part of continuous spectrum of life-threatening mucocutaneous necrolysis.[[1], [3]] Drugs are the most common triggers. [Extracted from the article]