The onset of skin reactions and injuries depends on the dose received by the skin. Effects are distinguished in prompt (< 2 weeks), early (2-8 weeks), midterm (6-52 weeks) and long-term (>40 weeks).
The study used ICD-10 codes to identify serious cutaneous drug reactions, which included SJS/TEN, allergic purpura, generalized skin eruptions, erythematous conditions, and eosinophilia ...