Itchy skin on the face can be caused by a variety of reasons, may be physiological reasons, such as dry skin, etc.; may also be pathological reasons, such as seborrheic dermatitis, eczema, contact dermatitis, solar dermatitis and other diseases.
1. Physiological reasons: if the environment is dry, people drink less water, resulting in dehydration or dry skin people, can be manifested as facial skin with itching and other manifestations.
2. Pathologic causes:
(1) seborrheic dermatitis: the cause is unknown, may be related to heredity, microbial infections (such as Malassezia infection), bad habits (smoking and drinking) and other reasons, can be manifested as facial flakiness, itching and other manifestations.
(2) Eczema: the cause is unknown, may be related to genetics, infection, immunity, allergy and other factors, often appear in the face of erythema, pimples, desquamation, itching, etc., may appear in the face of the skin with itching and other manifestations.
(3) Contact dermatitis: contact dermatitis may occur when the skin comes into contact with poor quality cosmetics and detergents. Patients may have erythema, papules, pimples, flaking with itching, etc., manifested as red bumps on the face with peeling and itching.
(4) solar dermatitis: patients with long-term exposure to ultraviolet radiation can occur solar dermatitis. Patients often appear erythema, flaking, itching, etc., can be manifested as the face skin, itching and other symptoms.
It is recommended that patients with itchy skin on the face go to a regular hospital in a timely manner, after a clear diagnosis for targeted treatment, they can not just use drugs.