Histamine intolerance is a multifaceted condition in which the body’s capacity to metabolise ingested histamine is overwhelmed, often due to a deficiency or reduced activity of diamine oxidase (DAO), ...

DEAR DR. ROACH: What are your thoughts regarding histamine intolerance when eating high-histamine foods? I am a 65-year-old female who has suffered from sinus problems since my late teens. In my ...

Histamine intolerance (HIT) is a trending buzzword within the realm of functional nutrition and integrative health. Although mainstream medicine has not officially accepted it as a clinical diagnosis, ...

When you hear the word "histamine," you might think of Benadryl—and you'd be right: Antihistamine drugs like Benadryl are used when the body produces histamines in reaction to an allergen. Histamines ...

Histamine is a chemical the immune system releases in response to allergens, triggering an allergic reaction. Many foods also contain histamine, which is broken down by an enzyme in the gut. Some ...