Meaning & use
antihistamine
A drug that relieves allergy symptoms by blocking the effects of histamine in the body.
See it in a sentence
She took an antihistamine before the trip to control her seasonal pollen allergy.
Some antihistamines cause drowsiness, so people are warned not to drive after taking them.
A note on using this word
Antihistamines treat symptoms like sneezing and itching but do not cure the underlying allergy itself.
Words with a similar meaning
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