Method and composition for treating rhinitis
There is provided pharmaceutical compositions for the treatment of rhinitis by, for example, nasal or ocular administration comprising zwitterionic cetirizine, a polar lipid liposome and a pharmaceutical acceptable aqueous carrier. The compositions are preferably homogeneous in their nature.
1. A method for the treatment of rhinitis comprising the administration of a pharmaceutical composition comprising zwitterionic cetirizine, a polar lipid liposome and a pharmaceutically-acceptable aqueous carrier, wherein the concentration of zwitterionic cetirizine is substantially similar in the aqueous carrier both within and surrounding the liposomes, and the diameter of the liposomes is less than about 200 nm to a person suffering from or susceptible to that disorder.
2. A method as claimed in claim 1 , wherein the administration is intranasal.
3. A method as claimed in claim 1 , wherein the administration is intraocular.