Itchy back, consider and dry climate, eczema, psoriasis and other factors.
1. Climate dryness: the reason for itchy back in some patients is considered to be related to the climate, for example, in the case of excessive dryness of the climate, the moisture of the skin on the surface of the human body will also evaporate quickly, thus resulting in dry and itchy skin phenomenon.
2. Eczema: some patients may have eczema disease, especially in contact with external microorganisms, allergens, etc., resulting in the emergence of localized pimples, papules and other symptoms, accompanied by itching symptoms.
3. Psoriasis: the reason for itching on the back may also be due to psoriasis, which is a chronic inflammatory skin disease caused by multifactorial interactions, with erythema appearing on the skin, which is covered with silvery-white scales, and the patient will be self-conscious of itching.
Itchy back does not rule out the existence of other causes, so need to cooperate with the doctor to check and then do the treatment, do not blindly use drugs.