The study was conducted as an open-label, randomized, Single-Dose, Fully replicated, 4-way Crossover Study to compare the single-dose relative bioavailability of Ranbaxy and Schering (Claritin_D® 24 hour) Loratadine 10mg /Pseudoephedrine Sulfate 240 mg Extended-Release Tablets, in Healthy adult Volunteers Under Fasting Conditions A total of 40 subjects (30 males and 10 females) were included in this study, of which 36 (27 males and 9 females) finished the study according to the protocol.