[en] Asthma exacerbations constitute a common medical emergency, which in the past has been shown to be poorly managed. Although its management has recently improved, it remains suboptimal. For instance, acute life-threatening asthma is still responsible for 2000 death each year in France. More than two thirds of deaths should be avoided by a prompt and adjusted treatment. Initial assessment of the severity of the exacerbation is fundamental. The clinical story, physical examination and objective measurement of airflow obstruction by peak flow meter should permit to quickly establish an adapted treatment. The aim of this paper is, once general considerations about clinical approach and currently used treatments have been made, to propose a home and a hospital-based management of the asthma exacerbations.