Extrinsic Allergic Alveolitis

Extrinsic allergic alveolitis, also called hypersensitivity pneumonitis, is an inflammation of the lung alveoli caused by repeated inhalation of particles to which the person has become sensitized.

Common causes: It is usually related to exposure to organic dusts, spores, bird proteins, or environments with moisture and mold, common in certain jobs and hobbies.

Common symptoms: Cough, shortness of breath that increases with exertion, chest tightness, and sometimes fever after exposure.

When to see a doctor? When difficulty breathing is recurrent or linked to a specific environment, the pulmonologist is the professional indicated to study the lungs and identify the trigger. Early evaluation helps protect lung function.