The face of a piece of red itch may be caused by environmental dryness and other physiological factors, may also be eczema, seborrheic dermatitis, contact dermatitis and other diseases caused.
1. Physiological factors: If the environment is too dry, it will lead to a faster loss of water in the body, resulting in dry skin, which may cause a patch of red and itchy phenomenon on the face.
2. Eczema: the cause may be related to heredity, immune abnormalities, hormone level changes and other factors. Patients mainly manifested as erythema, edema, papules, etc., accompanied by itching, can be seen on the head, face, limbs and other parts.
3. Seborrheic dermatitis: the cause of the disease is not clear, may be related to infection, diet, heredity and other factors. Patients will appear localized erythema, flaking and other symptoms, may be accompanied by itching, common in the scalp, chest and back, face and other parts.
4. Contact dermatitis: the cause of the disease is mainly related to the allergic reaction caused by skin contact with exogenous substances. Patients will appear erythema, papules, blisters, itching and other symptoms, if the face of contact dermatitis, may lead to a face of red itching.
There are more reasons for a red itchy face, after excluding physiological factors, it is recommended to go to a regular hospital to clarify the cause of the disease.