use of quaternary 1 - methyl - 2 - (phenothiazine 10 - yl) - ethylammoniumsalzen in aerosolinhalationstherapie to bronchodilatation and reduce bronchial spasm

摘要

The use of quaternary salts of promethazine by the inhalation route is described. The thus administered compositions provide new, non-toxic, potent means for relieving bronchial spasm and bronchoconstriction in warm-blooded animals.