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Meaning of allergic reactions
The primary meaning of "allergic reactions" refers to an overreaction of the body's immune system to a specific, normally harmless substance, such as pollen, dust, or certain foods.
Etymology of allergic reactions
The term "allergic" comes from the Greek words "allos" meaning "other" and "ergos" meaning "work" or "reaction", and the word "reaction" comes from the Latin "re" meaning "again" or "anew" and "agere" meaning "to act".
The concept of allergic reactions has been recognized for centuries, but the term "allergy" was first coined in the early 20th century by Austrian pediatrician Clemens von Pirquet.
Synonyms
Definitions
- A reaction by the body's immune system to a substance that is not inherently harmful, resulting in symptoms such as itching, swelling, and difficulty breathing.
- An adverse immune response to a substance that would not normally cause a reaction, often triggered by an allergen.
Usage Examples
- She experienced severe allergic reactions to peanuts, which made eating out a challenging task.
- The doctor warned that the new medication might cause allergic reactions in some patients.
- After being stung by a bee, he had a severe allergic reaction that required immediate medical attention.