At present, the mainstream tends to adopt conservative treatment first, remove suspected allergens or inducements, and treat children with mild symptoms for 6–8 weeks.[19] It has been reported that Benalizumab, an interleukin-5 antagonist, may have a significant effect on EC, but it still needs to be further confirmed in clinical trials.[20] Antibiotics can be used appropriately for patients with bacterial infection. This evidence concerns the gene IL5 and bacterial infectious disease.