engleski

Histamine intolerance - Dermatologic sequels

Histamine intolerance (HIT) develops as a result of an impaired diamine oxidase (DA0) activity due to gastrointestinal disease or through DA0 inhibition, as well as through a genetic predis- position which was proven in a number of patients. The intake of histamine- rich foods as well as alcohol or drugs which cause either the release of histamine or the blocking of DA0 can lead to various disorders in many organs (gastrointestinal system, skin, lungs, cardiovascular system and the brain), depending on the expression of histamine receptors. Dermatologic sequels can be rashes, itch, urticaria, angioedema, dermatitis, eczema and even acne, rosacea, psoriasis and other. The recognizing of symptoms due to HIT is especially important in treating such patients. Because of the possibility of symptoms affecting numerous organs, a detailed history of symptoms following the intake of histamine rich foods or drugs that interfere with histamine metabolism is essential for making a diagnosis of HIT. Considering that such symptoms ran be a result of multiple factors, the existence of HIT is usually underestimated, 5 expectations are being made from the future studies.

dermatology ; vitiligo ; histamine

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