Patent ID: 7226614
Filing Date: 2007-06-05
Classification: A61K,A61P

Abstract:
1. A method for treating disorders or conditions associated with rhinitis, cold, flu, cold-like and flu like symptoms, and allergic rhinitis, relief of nasal congestion, seasonal rhinitis, rhinorrhea, nasal and ocular pruritus, redness of the eyes, tearing or sneezing which comprises administering a tablet comprising at least two distinct segments, one segment of which comprises as active ingredient predominantly cetirizine and a second segment of which comprises as active ingredient predominantly pseudoephedrine, said segments being composed and formed in such a way that the resulting tablet is substantially free of impurities formed by reaction of cetirizine with pseudoephedrine, wherein the interfacial surface area of the pseudoephedrine segment and cetirizine segment is less than 180 mm 2 and with the proviso that the tablet comprises less than 5% by weight, relative to the total weight of the tablet, of an alkalinizing agent to a patient in need of treating said disorders or conditions.