Résumé
Allergic bronchopulmonary aspergillosis [ABPA] is a rare affection, initially described in 1952. Its pathophysiology incriminate several mechanisms in relation with the organism of the patient and the bronchial colonisation by the fongic agent. To report three cases of ABPA. Three patients had been treated for ABPA in Ibn Nafiss department in Abderrahmen Mami hospital in Ariana. ABPA had been discovered in the three cases by a corticodependant asthma, refractory for different therapeutics. Positif diagnosis reposed in the 3 patients at 6 major and one minor criterion. Traitment was essentially based in corticotherapy. Positif diagnosis of ABPA is actually well established, however, its traitement, although based on corticotherapy, remind not clearly codified. Association of antifongic treatment may improve the prognosis