noun🔗Share抗组胺药,抗组织胺剂 A drug or substance that counteracts the effects of a histamine. Commonly used to alleviate the symptoms of hay fever and other allergies."My sister took an antihistamine to relieve her itchy eyes and runny nose from the pollen in the air. "为了缓解花粉引起的眼睛痒和流鼻涕,我妹妹吃了抗过敏药。medicinesubstancediseaseChat with AIVocabulary GamePractice Reading