- History of sensitivity or adverse reaction to any of the study medications including immediate or delayed hypersensitivity to any beta-agonist, sympathomimetic drug, or an intranasal, inhaled or systemic corticosteroid; known suspected sensitivity to the constituents of the new powder inhaler (lactose or magnesium stearate) or a history of drug or other allergy that, in the opinion of the investigator or GSK Medical Monitor, contraindicates participation.