What is itchy skin on a child’s back?

Itchy skin on the back of children is commonly associated with eczema, insect bite dermatitis, contact dermatitis, urticaria and other diseases.
1. Eczema: the cause of this disease is unknown, may be associated with contact or eating allergic food, inhalants, adverse environment, chemical drugs, neuropsychiatric factors and other factors, manifested as skin erythema, papules, papules, blisters, vesicles, itching and other symptoms.
2. Insect bite dermatitis: this disease is mainly caused by mites, mosquitoes, midges, bedbugs, fleas and other insect bites or venomous sap stimulation, manifested as itchy skin, edematous pimples, pimples or ecchymosis and other symptoms.
3. contact dermatitis: this disease is mainly due to skin contact with allergic or irritating substances, such as soap, alcohol, organic solvents, bleach, chemicals, plant branches and leaves, animal toxins and other factors, which can lead to children’s skin itching, burning pain, erythema, papules and other symptoms.
4. Urticaria: This disease can be caused by contact with hot and cold stimuli, animal protein, rotten food, inhalants, drugs, infections, chronic diseases and other factors, which can lead to children with edematous erythema, doughnuts, itchy skin and other symptoms.
It is recommended to bring children to the regular hospital dermatology consultation, follow the doctor’s instructions to clarify the diagnosis and active treatment.