taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins www.webmd.com/allergies/features/pretreatment taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins taking allergy medicine before allergy season begins