IF YOU NOTICE raised, red bumps on your skin that are incredibly itchy, you might have hives. Fortuately, they’re pretty easy to treat.
Here’s what happens behind the scenes: Your body stores the chemical histamine inside its cells, according to the American Academy of Dermatology (AAD). When you encounter a threat, your immune system releases histamine to protect yourself. The histamine release causes allergy symptoms, such as hives.