Pollen, dust mites and cockroaches induce ailments in allergy sufferers such as asthma, hay fever, allergic conjunctivitis and atopic dermatitis. At such times they rely on antihistamines, steroids or bronchodilators to pull through.
過敏患者因花粉或室內塵●、蟑螂作怪，誘發哮喘、過敏性鼻炎、過敏性結膜炎、異位性皮膚炎等過敏疾病發作，此時，必須仰賴抗組織胺、類固醇、氣管舒張劑來度過。