Itchy, scratchy skin. Unexplained sneezing and red, watery eyes. Constant headaches? Is this an allergy — or something else? You may be experiencing histamine intolerance — when too many of these compounds have built up in your blood, causing an allergy-like reaction. Histamines themselves are immune fighters that respond to foreign invaders, like pollen or food you're sensitive to. But when you get too much, then pow! — histamine intolerance hits. Histamine intolerance is not the same as histamine sensitivity. If you're histamine-sensitive, any amount will cause a reaction. With […]