noun🔗ShareАнтигистаминA 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. "Моя сестра приняла антигистаминное средство, чтобы облегчить зуд в глазах и насморк от пыльцы в воздухе.medicinesubstancediseaseChat with AIVocabulary GamePractice Reading