The face has been itching can be caused by allergic dermatitis, contact dermatitis, seborrheic dermatitis, facial eczema and other factors.
1. Allergic dermatitis: mainly caused by allergen stimulation, can be caused by contact with pollen, dust in the external environment, or eating allergenic food, etc., which can lead to itching, tingling, redness and swelling and other discomforts on the face.
2. Contact dermatitis: due to the skin contact with external irritating or toxic substances, physical and chemical stimulation of the skin barrier is damaged, resulting in the loss of the skin mucous membrane caused by erythematous changes in the face, pimples or blisters, the skin can be broken vesicles and other changes, the face can appear itchy situation.
3. Seborrheic dermatitis: the sebaceous glands of the face are distributed more, when the sebaceous glands increase secretion triggered by heredity, diet, microbial infections, immune dysfunction, skin diseases, etc., yellowish-red patches of skin damages can appear on the face, which can be attached with oily scales, and itchy symptoms can appear.
4. Facial eczema: facial eczema disease, the face can appear pimples, blisters, pus secretion and can form pustules, pustules, facial self-conscious itching intense and accompanied by burning sensation.
Face has been itchy there are other reasons, the patient should seek medical treatment as soon as possible, under the guidance of the doctor standardized treatment, help early relief of uncomfortable symptoms.