allergen Definition
a substance that causes an allergic reaction.
Using allergen: Examples
Take a moment to familiarize yourself with how "allergen" can be used in various situations through the following examples!
Example
Pollen is a common allergen.
Example
Some people are allergic to certain foods, such as peanuts, which contain allergens.
Example
Dust mites are another common allergen.
Phrases with allergen
allergen-free
free from substances that cause an allergic reaction
Example
This restaurant offers allergen-free options for customers with food allergies.
a medical treatment that involves exposing a person to small amounts of an allergen over time to reduce or eliminate their allergic reaction to it
Example
My doctor recommended allergen immunotherapy to help me manage my allergies.
a strategy for managing allergies that involves avoiding exposure to substances that cause an allergic reaction
Example
I try to practice allergen avoidance by keeping my home clean and free of dust and pet dander.
Origins of allergen
from Greek 'allos', meaning 'other', and 'ergon', meaning 'work'
Summary: allergen in Brief
An 'allergen' [ˈælədʒən] is a substance that causes an allergic reaction. Common allergens include pollen, certain foods like peanuts, and dust mites. Phrases like 'allergen-free' and 'allergen immunotherapy' refer to ways of managing allergies by avoiding exposure to allergens or undergoing medical treatment to reduce sensitivity to them.