The difference between allergic purpura and urticaria

Allergic purpura and urticaria are different mainly in the causes of disease, clinical manifestations and other aspects. 1, the cause of the disease Allergic purpura and pathogenesis is not clear, generally and infection, immune abnormalities, genetic and other related. Urticaria usually occurs with contact allergens. 2, clinical manifestations Allergic purpura usually leads to purple patches on the skin, accompanied by joint swelling, gastrointestinal discomfort and other phenomena. Urticaria can lead to red wheals on the skin, accompanied by itching performance. Allergic purpura and urticaria generally take conservative treatment, usually using glucocorticoids, immunosuppressants and other drugs for treatment, and desensitization therapy can reduce their sensitivity to allergens, reduce the reaction at the time of onset.