Consumer Preference Study of Two Formulations of Phenylephrine Hydrochloride (Study CL2008-15)(P07530)(COMPLETED)

Inclusion Criteria: * Healthy male or female volunteers must be 18 years or older. * Participants must be willing to stop use of current decongestant and allergy medications during the study, and at the start of the run-in period (Visit 2). * Participants must have a documented history of allergic rhinitis caused by ragweed allergen for at least the prior two years. * Participants must have a documented skin testing (prick with wheal \>= 3 mm larger than the diluent or intradermal with wheal \>=7 mm larger than the diluent control) or a positive in vitro test for specific IgE to the ragweed allergen within the last four years. * Participants must have signs by clinical evaluation and symptoms of nasal congestion of at least mild severity (sign/symptom clearly present, but minimal awareness; easily tolerated) at Visit 3 following the run-in period and at visit 5 following the washout period. * Clinical laboratory tests (complete hematology, blood chemistries, urinalysis) must be within normal limits or clinically acceptable to the Investigator/Sponsor. Sponsor will not grant waivers. * Participants must have a seated (after 5 minutes of rest) systolic/diastolic blood pressure ≤ 138/88 mmHg. * Participants must have normal or clinically acceptable physical exam and electrocardiogram (ECG) on 12-lead ECG (recorded at 25 mm/s). * Participants must be free of any clinically significant disease that requires a physician's care and/or would interfere with study evaluations, procedu…