Itchy back may be caused by physiological factors such as dry skin, or it may be caused by contact dermatitis, eczema and other diseases.
1. Physiological factors: physiological factors such as dry skin and high water temperature during bathing may lead to impaired local skin function, resulting in the phenomenon that the patient’s back is always itchy.
2. Contact dermatitis: it is an allergic reaction produced by the skin after contacting external substances such as allergens or irritants. It manifests as erythema, papules, itching, etc., and the symptom of always itching on the back appears.
3. Eczema: It may be related to heredity, abnormal immune function, hormone level changes, endocrine disorders and other factors. Make the patient appear itching, red spots, pimples and other symptoms, manifested as always itchy back.
Patients whose backs are always itchy are advised to go to regular hospitals in time to find out the cause of the disease under the guidance of doctors.