A peanut allergy is a type of food allergy that occurs when the body's immune system mistakenly identifies proteins found in peanuts as harmful substances. When someone with a peanut allergy consumes peanuts or foods containing peanuts, their immune system releases chemicals such as histamine that can trigger symptoms such as hives, itching, swelling, and even life-threatening reactions such as anaphylaxis. It is important for individuals with peanut allergies to avoid peanuts and products containing peanuts, and to always carry an epinephrine auto-injector in case of accidental exposure.
