This French‑language volume presents a comprehensive overview of aerosol therapy delivered by nebulisation. Drawing on clinical practice and scientific research, the author explains the physical principles of aerosol generation, the design and operation of nebulisers, and the pharmacological considerations for inhaled medications. Practical guidance is provided for selecting appropriate devices, optimizing dosage, and managing patient-specific factors such as age, disease severity, and comorbidities. The text also discusses safety protocols, potential complications, and recent advances in aerosol delivery technology. Intended for healthcare professionals, students, and researchers in respiratory medicine, the book combines theoretical insight with actionable recommendations, making it a valuable reference for anyone involved in the administration of inhaled therapies.