Itchy and swollen body may be caused by contact dermatitis, insect bite dermatitis and urticaria.
1. Contact dermatitis: If the patient is in contact with exogenous irritating or sensitizing substances causing contact dermatitis, it will lead to the appearance of erythema, pimples and even blisters and other symptoms, and will be self-conscious of itchy and swollen.
2. Insect bite dermatitis: is due to the human body by mosquitoes, fleas and other insects bites the skin allergies and inflammatory reactions that occur, mostly in the exposed areas, will lead to patients with erythema, pimples with itching, and in severe cases, edema may occur.
3. Urticaria: patients who are stimulated by drugs, food and other factors lead to urticaria, may lead to localized skin edema, erythema, there are varying sizes of lumpy elevations, namely, hives, accompanied by obvious itching.
Patients who have itchy and swollen body, it is recommended to consult a doctor in a timely manner, with the relevant examination, in order to clarify the cause of the disease for standardized treatment.