Phenylephrine Pediatric Pharmacokinetic Study

This study has an open-label, single-dose classical pharmacokinetic design with no comparator treatment or group. At least twenty-four (24) children, ages 2 to \<12 years, and twelve (12) adolescents, ages 12 to \<18 years, with nasal symptoms due to hay fever or other upper respiratory allergies will complete the study. To ensure that younger children are represented, at least 35% (8) of the 24 children enrolled will range from 2 to \<6 years of age.