noun
- abnormal reactions of the immune system to substances that are usually harmless
Usage: plural of allergy
Examples
- She has severe allergies to peanuts and shellfish.
- Spring allergies make his eyes water and nose run.
- The doctor tested him for common food allergies.
- Many children outgrow their milk and egg allergies.
- Pet allergies prevented them from getting a cat.
- Seasonal allergies are worse this year due to high pollen counts.