The purpose of this study is to determine the effect of an approved medication on the symptoms of seasonal allergic rhinitis (a seasonal variety of inflammation of the mucous membrane of the nose) in patients who are experiencing symptoms of seasonal allergic rhinitis and asthma.

The duration of treatment is 2 weeks.

Inclusion Criteria:

• Non-smoker
• A 2-year documented history of seasonal allergic rhinitis
• A 1-year documented history of chronic asthma
• Positive allergy testing

Exclusion Criteria:

• Medical history of a lung disorder (other than asthma) or a recent upper respiratory tract infection.