AEROSOL FORMULATIONS COMPRISING FORMOTEROL FUMARATE DIHYDRATE, A PROPELLANT,ETHANOL AND OPTIONALLY A STEROID,WHERE THE FORMOTEROL FUMARATE DIHYDRATE HAS A WATER CONTENT OF 4.8-4.28% BY WEIGHT

摘要

A pharmaceutical aerosol formulation comprising formoterol fumarate di-hydrate in suspension, and a steroid in suspension, and a propellant, ethanol, and optionally a surfactant, wherein the formoterol fumarate di-hydrate has a water content of about 4.8 to 4.28 % by weight.