Urticaria
The urticaria (female name derived from the Latin " urtica" who means Ortie) is a cutaneous symptom, generally a relatively common form of allergic reaction. It is a mobile and fugacious cutaneous eruption in white center and contours Nets (a series of small red marks on the skin, resembling punctures of nettles) accompanied by a feeling of burns. The skin like is thus inflated and severely itches. It can be caused by a direct contact with an allergic substance or by an immunizing response with food or another Allergène.
The research of the Triade of Lewis on Papule S makes it possible to diagnose an urticaria.
Certain people suffer from urticaria in consequence of important Stress.
Urticaria can also be due to the contact with the Eau, the Chaleur, the Froid, frictions…, with internal pathologies (infection, pathology dysimmunitaire….) with Drug S…
Its treatment requires Antihistaminique S and the description of the cause. One seeks the cause only if it is chronic.
It is due to the Exocytose of substance (transmitter substances) secreted by the Phagocytes.
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