At extremely high concentrations, usually as a result of food spoilage, it can lead to poisoning. An introduction, with further links though. There are many foods that contain histamine or cause the body to release histamine when ingested. A list of Histamine rich foods, Histamine releasing foods include, Histamine Poisoning. The body may react so violently to a foreign substance that huge amounts of histamine are released.
Histamine is a normal chemical of the body.
It is stored in various parts of the body, especially in the skin and the wet linings of the airways and bowel. In other words, it s stored in the border zone between the body and the outside world. If the body is allergic to something which crosses the border, then it tries to expel it by releasing massive amounts of histamine. Unfortunately, this does more harm than good. The new window links to the article referenced to the right of the icon.