Antihistamine Meaning and Definition
Antihistamine
Pronunciation
/ænˌtaɪˈhɪstəmɪn/
Part of Speech
Noun
Definition
A type of medication used to relieve symptoms of allergic reactions, such as itching, redness, and swelling, by blocking the action of histamine in the body.
Examples
- The doctor prescribed an antihistamine to relieve the patient’s itching and swelling.
- Antihistamines are often used to treat minor allergic reactions, such as those caused by insect bites or plant exposure.
Synonyms
- Histamine blocker
- Allergy medication
Antonyms
- Trigger
- Cause
Etymology
The word “antihistamine” comes from the Greek words “anti,” meaning “against,” and “histamine,” a chemical compound involved in allergic reactions.
Usage Notes
Antihistamines can be taken orally or topically, and are available over-the-counter (OTC) or by prescription. They are often used in combination with other medications to treat more severe allergic reactions.
Cultural References
Antihistamines have been referenced in popular culture, such as in the TV show “The Simpsons,” where a character is prescribed an antihistamine to treat a bee sting.
Idiomatic Expressions or Phrases
A common phrase is “antihistamine allergy,” referring to an allergy to the medication itself, rather than the allergen.
Related Words or Phrases
- Histamine
- Allergy
- Medication
Collocations
- Antihistamine pill
- Antihistamine cream
- Over-the-counter antihistamine
Frequency of Use
Antihistamines are commonly used in medical treatment, with around 20% of the global population using them at some point in their lives.
Common Misspellings
- Antihistamin
- Antihistimine