Analysis of illness: Emotional analysis: According to your child's illness, it is very likely that he has eczema. The cause of eczema is complicated, and it is generally considered to be related to allergies. The rash is polymorphic, exudative and itchy. Guidance: suggestions: according to the symptoms, it is very likely that you are suffering from eczema, and it is recommended to avoid contact with suspicious allergens as much as possible; Try to avoid eating allergic foods such as crabs and shrimps, and apply vitamin E cream. Oral oberda drops. Analysis of illness: Hello, if this is allergic, it is still related to personal physique. After being exposed to the suspected allergen, this itch and rash are uncomfortable. Please pay attention to this, use some sensitive drugs, and try some suggestions: this is to avoid eating seafood again. This can use some drugs and take some kairuitan. If the allergy is serious and itchy, go to the hospital to use hormones and vitamin C for infusion.