
Foods High in Histamine & Why You Should Avoid Them - WebMD
May 22, 2024 · Histamine is chemical released by your immune system in response to potential allergens, but too much of it leads to coughing, wheezing, & watery eyes.
What Is Histamine? - Cleveland Clinic
Mar 28, 2023 · 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 …
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 …
Histamine - Wikipedia
Histamine is a monoamine neurotransmitter. Histamine is derived from the decarboxylation of the amino acid histidine, a reaction catalyzed by the enzyme L -histidine decarboxylase. It is a …
Histamine: Function, Overreaction, and Treatment - Healthgrades
Jun 10, 2022 · Histamine is one of the chemicals involved in defending the body against allergens. Mast cells and basophils produce most of the histamine in your immune system. …
Histamine | Description & Facts | Britannica
Oct 13, 2025 · Histamine is chemically classified as an amine, an organic molecule based on the structure of ammonia (NH 3). It is formed by the decarboxylation (the removal of a carboxyl …
What is Histamine? What They Do and Foods To Avoid 2025
May 9, 2025 · Histamines are molecules produced by certain cells in the body, such as mast cells, that play an important role in the immune system response. When you encounter an allergen …
Histamine: Function, Reactions and Side Effects - Medicover …
Oct 4, 2024 · Histamine is an organic nitrogenous compound involved in local immune responses, regulating physiological functions in the gut, and acting as a neurotransmitter.
What is Histamine? Role in Allergic Reactions Explained
The answer lies in a cascade of signals in your immune system, and one of them is histamine. Histamine is a chemical that is released by white blood cells in your body when your immune …
What Is Histamine? - Everyday Health
Oct 10, 2023 · When histamine is released, it acts on the eyes, throat, lungs, nose, skin, or gastrointestinal tract, according to Nemours. The chemical can cause allergy symptoms, such …