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 its role in causing allergic and anaphylactic symptoms.

Aug 14, 2022 · Histamines act like bouncers at a club. They help your body get rid of something that's bothering you -- in this case, an allergy trigger, or "allergen." Histamines start the process that hustles...

Histamine is an organic nitrogenous compound involved in local immune responses communication, as well as regulating physiological functions in the gut and acting as a neurotransmitter for the brain, spinal cord, and uterus.

Oct 2, 2023 · Histamine is a chemical throughout your body that plays a role in allergies and several conditions. Histamine triggers include allergens and certain foods. However, there are ways to reduce...

May 1, 2023 · Function. Four types of histamine receptors have been pharmacologically recognized, all of which are G protein-coupled receptors. H1 receptors are widespread throughout the body, including neurons, smooth muscle cells of the airways, and blood vessels.

Jun 10, 2022 · Histamine is a chemical that starts a chain reaction in your body to remove allergens. Learn more about histamine's function, levels, and treatment here.

Jul 14, 2023 · Histamine is an autacoid, which means it acts similarly to a local hormone, near its site of synthesis. It is produced as part of the local immune response to invading bodies and triggers...

Mar 7, 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 as wasps and bees. In humans, histamine is found in nearly all tissues, where it is stored mainly in mast cells.

Histamine (2- [3H-imidazol-4-yl]ethanamine) is an important chemical mediator that causes vasodilation and increased vascular permeability and may even contribute to anaphylactic reactions [1]. It also acts on several physiological functions, such as cell differentiation, proliferation, haematopoiesis, and cell regeneration.

Oct 10, 2023 · Histamine is a chemical released by the body's immune system that causes an allergic reaction when the body responds to an allergen. It’s also responsible for several...