antihistamine

(noun)

a drug or substance that counteracts the effects of a histamine. Commonly used to alleviate the symptoms of hay fever and other allergies

Examples of antihistamine in the following topics:

Diagnosis and Treatment of Allergy
- These include antihistamines, glucocorticoids, epinephrine (adrenaline), theophylline, and cromolyn sodium.
Parasitic Skin Diseases
- Options to improve itchiness include antihistamines.