Described for the first time in 1980 by BEYLOT et al, acute generalized exanthematous pustulosis (AGEP) is a rare and serious condition characterized by the sudden onset of a pustular and scarlatiniform febrile rash. In more than 90% of cases it is caused by medication, but can also be caused by a virus (enterovirus infection: coxsackie, echovirus or cytomegalovirus), a toxic agent (mercury) or a food allergen. The evolution of AGEP is usually favourable to the discontinuation of the drug in question with a delay varying from 48 hours to 15 days. We report a case of AGEP for which the drug responsible was not one of the drugs classically incriminated.