Contact allergy to corticosteroids in patients using inhaled or intranasal corticosteroids for allergic rhinitis or asthma

摘要: Abstract Background: Patients using topically applied corticosteroids are at risk of developing allergic contact hypersensitivity. Objective: To assess prevalence hypersensitivity reactions to inhaled or intranasal corticosteroids. Methods: A prospective study 30 adult patients for conditions such as rhinitis was performed. We used epicutaneous patch testing determine the and common additives (propylene glycol benzalkonium chloride) in nasal corticosteroid preparations this population. Results: Of patients, 4 (13%) had positive test results. 3 (10%) were 1 (3%) an irritant reaction. Half a (budesonide) half preservative (benzalkonium chloride). Conclusion: This supports other clinical evidence that dermatitis/mucositis from products can occur. The added agents preservatives be causative may result reactions, which relevant symptoms.