Itchy back can indicate more diseases, common causes include skin allergies, hives, eczema, seborrheic dermatitis, folliculitis and so on.
1. Skin allergy. Allergic factors is one of the common causes of back itching, including food allergies, drug allergies and environmental allergies and other factors, can appear localized skin itching, local redness and swelling and other manifestations, remove the causative factors, itching symptoms can be gradually reduced.
2. Urticaria. If the itchy back is accompanied by rashes above the skin, irregular winds and other symptoms, then we need to consider the hives related.
3. Eczema. Eczema is an inflammatory skin disease caused by a variety of internal and external factors. When itching and localized erosion and oozing are the main symptoms, it may be related to eczema.
4. Seborrheic dermatitis. Seborrheic dermatitis is a common chronic superficial, inflammatory skin disease, skin lesions manifested as erythema on the basis of scales, can be accompanied by itching. Thus, back itching may also be related to seborrheic dermatitis.
5. Folliculitis. Folliculitis is caused by bacterial or fungal infections and can be accompanied by itching.
Itchy back symptoms, there may be other reasons, you should seek medical attention to find the specific cause of the disease, clear cause of the symptomatic treatment, do not blindly deal with their own.