[Halothane: another resource for the asthmatic patient]. 
A case of severe asthma which did not improve with the usual management is presented.  Ventilations was assisted with an orotracheal cannula and the patient was given halothane with a good response and improvement of his crisis.  Halothane must be considered as a possibility in the treatment of severe asthma.  However, further studies in this area are necesary.