noun🔗ShareAntihistaminiquesA drug or substance that counteracts the effects of a histamine. Commonly used to alleviate the symptoms of hay fever and other allergies."During the spring, many people take antihistamines to relieve their itchy eyes and runny noses caused by pollen allergies. "Au printemps, de nombreuses personnes prennent des antihistaminiques pour soulager leurs yeux qui piquent et leur nez qui coule, causés par les allergies au pollen.medicinesubstancediseaseChat with AIVocabulary GamePractice Reading