The body suddenly itchy bags like mosquito bite bag common in insect bite dermatitis, acute urticaria, itchy rash, contact dermatitis and other diseases.
1. Insect bite dermatitis: this disease is mainly caused by local or systemic allergic and inflammatory reactions after insect bites the skin, common insects including mites, mosquitoes, midges, bedbugs, fleas, ticks, etc., lesions manifested as a sudden and obvious itching, bite marks of the size of a needle tip, pimples, blisters, doughnuts and other symptoms.
2. Acute urticaria: this disease can be caused by food, drugs, physical, inhalants, insect bites, heredity, infection, mental health and other factors, manifested as a sudden self-conscious itching of the skin, and soon appeared in the itchy parts of the size of the wind, angioedema, and other symptoms, like a mosquito bite bag.
3. itchy rash: the cause of this disease is unknown, may be related to neuropsychiatric factors, heredity, mosquito bites, food or drug allergies, infections and other factors, manifested as sudden conscious itching, doughnut-like papules, nodules and other symptoms.
4. Contact dermatitis: this disease is mainly due to skin contact with exogenous pathogenic substances, such as detergents, soaps, alcohol, bleach, animal fur, etc., manifested as sudden conscious itching, erythema, papules, papules, blisters and other symptoms.
It is recommended that patients go to the dermatology department of the regular hospital, after a clear diagnosis, under the guidance of the doctor reasonable treatment.