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  1. Histamine - Wikipedia

    Histamine is involved in the inflammatory response and has a central role as a mediator of itching. [6] As part of an immune response to foreign pathogens, histamine is produced by basophils and by mast …

  2. What Is Histamine? - Cleveland Clinic

    Mar 28, 2023 · What is histamine? Histamine is a signaling chemical your immune system releases to send messages between different cells. Histamine has several functions, but it’s mainly known for its …

  3. Histamine | Description & Facts | Britannica

    Dec 13, 2025 · Histamine, biologically active substance found in a variety of organisms. Plants that produce histamine include stinging nettles, and histamine occurs in the venom of some insects, such …

  4. What Is Histamine and What Is Its Role in the Body? - Healthline

    Oct 2, 2023 · Histamine is a chemical that your body produces, playing a vital role in immune responses, particularly those related to allergies, and also influencing the gut, brain, and overall immune...

  5. Histamines: What they do, and how they can overreact - WebMD

    Aug 14, 2022 · " Histamine poisoning" can happen if you eat fish that weren't kept at safe temperatures and spoiled before you got them. Those fish can build up high levels of histamines, which can make …

  6. Understanding Histamine Intolerance and Common Signs

    Oct 27, 2025 · Histamine intolerance occurs when the body can't process high levels of histamine, a chemical that causes runny nose, headaches, congestion, and other symptoms. While histamine is …

  7. The Histamine Structure and Its Role in the Body

    Jul 26, 2025 · Histamine is a naturally occurring compound found throughout the human body, playing a multifaceted role in various biological processes. It functions as a potent signaling molecule, …

  8. What is Histamine? - News-Medical.net

    Jul 14, 2023 · Histamine is an amine that is produced as part of a local immune response to cause inflammation.

  9. Low Histamine Diet Do you need to start following a low-histamine diet? It can seem overwhelming at first, but we promise it’s not as hard as you think. Many people with ME/CFS have symptoms of …

  10. What is Histamine? What They Do and Foods To Avoid 2025

    May 9, 2025 · To clear histamine from the body, you can try drinking plenty of water and eating low-histamine foods. Foods high in vitamin C, like oranges and broccoli, can help reduce histamine levels.