Plasma Levels of MK0633 in Children Ages 6-12 (0633-023)

Inclusion Criteria: * Patient has mild to moderate asthma * Patient is able to swallow pills * Patient is able to have have blood draws Exclusion Criteria: * Patient has required a visit to the hospital or emergency room due to an asthmatic event in the last 3 months * Patient has an upper respiratory tract infection (URI) * Patient has a history of stroke * Patient consumes more than 4 caffeinated beverages per day