Histamine is a natural chemical that helps your cells communicate. It plays a few important roles in your body, including managing your sleep cycle and supporting your brain function. But it is best ...

Certain foods may trigger or worsen hives in some people due to the reaction they cause within the body. Avoiding foods high in histamines and pseudoallergens may help. Chronic idiopathic urticaria ...

The low histamine diet may help people who develop symptoms, such as sneezing, itching, or hives, in response to foods that contain histamine. Histamine is a chemical that occurs naturally in the body ...