urticaria pigmentosa…

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dermatographism, close-up, dermatographism on the arm, urticaria pigmentosa, in the armpit, mastocytosis, diffuse cutaneous, urticaria pigmentosa on the chest, urticaria pigmentosa, close-up, dermatographism on the back, mastocytosis, mastocytoma, urticaria pigmentosa, disease that produces skin lesions, intense itching, lesions, rubbed, hives, form on the site, urticaria pigmentosa is one of several forms of mastocytosis, excessive numbers of inflammatory cells, mast cells, skin, forms include solitary mastocytoma, a single lesion, systemic mastocytosis, involvement in organs other than the skin, urticaria pigmentosa, often seen in children, occur in adults, rubbing of a lesion produces a rapid wheal, a hive-like bump, younger children, develop a fluid-filled blister over a lesion, scratched, a large histamine release from these extra mast cells, flushing, headache, diarrhea, a rapid heartbeat, tachycardia, fainting, uncommon, urticaria pigmentosa, forms of mastocytosis, appearance of brownish lesions on skin, welt, hive formation, lesions, rubbed, scratched, blister formation over lesion, it is rubbed, facial flushing, severe form, diarrhea, fast heart rate, headache, fainting, syncope, urine histamine, elevated levels of histamine, skin biopsy, confirms, increased number of mast cells, antihistamines, relieve some, the histamine-induced symptoms itching, flushing, discuss the choice of antihistamine, child's health care provider, more severe, unusual forms of urticaria pigmentosa, systemic symptoms, controlled, medications, urticaria pigmentosa goes away by puberty in, half, the affected children, decrease, in the remaining patients, they grow into adulthood, in adults, urticaria pigmentosa, progress, serious systemic mastocytosis, discomfort from itching, self-consciousness, the "spots", the primary complications, problems diarrhea, fainting, rare, certain medications, trigger flares of urticaria pigmentosa, discuss these, bee stings, cause severe allergic reactions, patients, urticaria pigmentosa, advise to carry an epipen to be used in case of a bee sting, child has symptoms suggesting urticaria pigmentosa.