Doctor insights on:
Histamine Itchy Allergy Response
Histamine is an organic nitrogen compound involved in local immune responses as well as regulating physiological function in the gut and acting as a neurotransmitter. Histamine triggers the inflammatory response. As part of an immune response to foreign pathogens, histamine is produced by basophils and by mast cells found ...Read more
2 days ago got tested for allergies (scratch test) only spots w/reaction were histamine+mold. Now there are red spots (not the pricks) itchy, causes?
I've got eye allergies for a week now which have been making me rub my eyes like crazy. so got an over the counter anti histamine eye drop and also i took claritin on days when it was really bad. my inner eyes get very itchy. how long can i continue?
My dad, my aunt, and my brother (same dad) all have allergies? What are the chances that my itchiness upon excercise is an allergic response? Am I likely to develop seasonal allergies later in life due to my family having them?
Dozens of deep blister like rash feel like splinters. painful not itchy. not granuloma annulare Not allergy. this is different. immune response?
Depends: Most itchy skin rash are not mediated by histamine and thus whether it would respond to histamine or not would depend on the mechanism causing it. There is no harm in trying antihistamine even up to 4x the usual dose. The sedating ones tend to work better on itching due to sedating effect. Consult your doctor if antihistamine does not work. ...Read more
Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more
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