Patent ID: 7122206

Claim:
A method for treating allergic rhinitis in an individual by applying solid particles of a medicament selected from the group consisting of dexamethasone and prednisolone to the mucosal surfaces of the nasal cavities of the individual comprising spraying into each of said nasal cavities a dose of an aqueous pharmaceutical composition containing: (A) said medicament and (B) a suspending agent in an amount which is effective in maintaining said particles dispersed uniformly in the composition and in imparting to the composition thixotropic properties such that pharmaceutically effective amounts of the medicament are deposited by aid dose on each of the mucosal surfaces of the anterior regions of the nose, the frontal sinus and the maxillary sinuses and on each of the mucosal surfaces which overlie the turbinates covering the conchas and such that portions of said amounts are retained on each of said mucosal surfaces for at least about an hour.