In this context, this study aims to assess the prevalence of PHA in a population of patients with a suggestive clinical picture. A better knowledge of the pathology will make it possible to better guide patients and prevent them from diagnostic wandering fraught with physical and psychological consequences.~This is an observational, ambispective, transversal, multicenter study carried out in France. The goal is to recruit a cohort that will reflect current practice. 500 patients will be recruted.
To determine the proportion of patients suffering from acute hepatic porphyria (AHP) from different hospital departments and referred to an internist referent for a suggestive clinical picture with a first negative etiological assessment.