What are food allergies causes?

Spiderkw17 Aug, 2021Health

A food allergy is caused by your immune system handling harmless proteins in certain foods as a threat. It releases a number of chemicals, which trigger an allergic reaction. Overall, the rash should subside within a day or two. According to FARE, it's possible to have a second wave of food allergy symptoms, which may occur up to four hours after the initial reaction, though this is rare