Swollen calves skin is very itchy consider angioedema, dengue, scleroderma, etc..
1. Angioedema: Angioedema is a disease induced by heredity or due to drug, food, dust allergy, etc. After contact with allergens, small blood vessels under the subcutaneous loose tissue or mucosa dilate and increase permeability, and limited edema occurs.
2. Dengue: most of the dengue is caused by type B hemolytic streptococcus infection, the bacteria will enter through the skin or mucous membrane through the subtle damage, will affect the skin surface layer, subcutaneous tissue within the lymphatic vessels and the surrounding soft tissues, the typical lesions are edematous erythema.
3. Scleroderma: Scleroderma is a pathogenic cause is not particularly clear connective tissue diseases, mainly collagen fibers and other extracellular matrix deposition will lead to limited or diffuse skin thickening and fibrosis, the beginning of the time will also be manifested as one or more reddish or purplish-red edematous plaques.
Calf swelling skin is very itchy, should go to the hospital for a detailed examination, for the cause of the symptomatic treatment.