antihistamine: meaning, definition, pronunciation and examples
B2Medical / Technical / Everyday
Quick answer
What does “antihistamine” mean?
A substance or drug that blocks the effects of histamine in the body, used especially to treat allergy symptoms.
Audio
Pronunciation
Definition
Meaning and Definition
A substance or drug that blocks the effects of histamine in the body, used especially to treat allergy symptoms.
Any compound, typically a medication, that counteracts histamine's action at the histamine receptor sites, providing relief from conditions like hay fever, hives, or motion sickness.
Dialectal Variation
British vs American Usage
Differences
No significant lexical difference in the word itself. Brand names may vary, but the generic term is identical.
Connotations
Neutral in both varieties. Associated with common, often over-the-counter medication.
Frequency
Equally common and understood in both varieties due to global medical terminology.
Grammar
How to Use “antihistamine” in a Sentence
take [an] ANTIHISTAMINE for [condition]be on ANTIHISTAMINES[Drug] is an ANTIHISTAMINEVocabulary
Collocations
Examples
Examples of “antihistamine” in a Sentence
adjective
British English
- Take an antihistamine tablet before bed.
- She needed antihistamine cream for the rash.
American English
- He recommended an antihistamine medication.
- The antihistamine effect made her drowsy.
Usage
Meaning in Context
Business
Rare, except in pharmaceutical industry contexts discussing drug portfolios or sales.
Academic
Common in medical, pharmacological, and biological texts discussing immune responses and drug mechanisms.
Everyday
Very common when discussing allergies, cold symptoms, or bites/stings.
Technical
Precise term in medicine and pharmacology, specifying receptor action and drug classifications.
Vocabulary
Synonyms of “antihistamine”
Strong
Neutral
Weak
Watch out
Common Mistakes When Using “antihistamine”
- Mispronunciation: /ˌæn.tiˈhɪs.tə.maɪn/ (incorrect ending).
- Spelling: 'antihistimine' or 'antihistamine' (missing 'a').
- Using as a verb: 'I need to antihistamine' (incorrect) vs. 'I need to take an antihistamine'.
FAQ
Frequently Asked Questions
Some older ('first-generation') antihistamines commonly cause drowsiness. Newer ('second-generation') ones are typically non-drowsy, but effects can vary by individual.
Many antihistamines are designed for daily use, especially for managing chronic allergies. However, you should always follow the dosage instructions and consult a doctor for long-term use.
Antihistamines block histamine to relieve symptoms like itching, sneezing, and runny nose. Decongestants shrink swollen blood vessels in the nasal passages to relieve stuffiness. Some medications combine both.
Oral antihistamines typically start working within 30 minutes to 2 hours, with peak effects around 4-6 hours after taking. Some long-acting formulations provide relief for 24 hours.
A substance or drug that blocks the effects of histamine in the body, used especially to treat allergy symptoms.
Antihistamine is usually medical / technical / everyday in register.
Antihistamine: in British English it is pronounced /ˌæn.tiˈhɪs.tə.miːn/, and in American English it is pronounced /ˌæn.tiˈhɪs.tə.mɪn/ , /ˌæn.taɪˈhɪs.tə.mɪn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
ANTI-HIST-AMINE: Think 'AGAINST-HIST-ory' of allergies. You take an ANTIhistamine to work AGAINST the HISTamine that causes your allergy story.
Conceptual Metaphor
A BLOCKER / SHIELD / CALMING AGENT.
Practice
Quiz
What is the primary function of an antihistamine?