Stress triggers histamine release, which can cause itching, redness, and hives in some people. Can over-the-counter (OTC) antihistamines provide relief? Histamine is a key chemical involved in ...

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 ...

Histamine intolerance (HIT), also termed enteral histaminosis or dietary histamine sensitivity, is frequently cited as a potential explanation for complex, multi-system symptoms that elude ...

Histamine is a widely distributed biogenic amine that is a neurotransmitter in the central nervous system and an important signaling molecule in the immune system, gut, and skin 1,2. Histamine is an ...

Pitolisant, a histamine H3 receptor inverse agonist, improved recognition memory, working memory performance, and ...