- Allergies: Drug allergy; Any adverse reaction including immediate or delayed hypersensitivity to any beta2 agonist, sympathomimetic drug, or any intranasal, inhaled, or systemic corticosteroid therapy. Known or suspected sensitivity to the constituents of the FSC multi-dose inhaler and capsule-based inhaler (i.e., lactose), Milk protein allergy; History of severe milk protein allergy