The leg itches badly, scratches badly, bleeds.

The severe scratching of leg itching bleeding is considered to be eczema caused by allergies, but it cannot be ruled out that dermatitis, fungal infection or urticaria are caused. It is recommended to find a dermatologist for examination. If eczema needs to be coated with calamine lotion in local itching, it is also necessary to follow the doctor's advice and use antihistamine drugs.