A little itchy face may be caused by physiological factors and pathological factors (such as contact dermatitis as well as urticaria).
1. Physiological factors: If the environment lacks water, wind and sand, and at the same time the face of long-term use of strong alkaline cleansing agents, etc., the skin on the face will be excessively dry, skin flaking, itching and other symptoms.
2. Pathologic factors:
(1) contact dermatitis: if the patient’s face comes into contact with allergens such as willow, pollen, animal fur or certain chemical components in cosmetics and skin care products, it may cause an allergic reaction, localized erythema, papules, itching and other symptoms.
(2) urticaria: it may be the patient eating allergenic food, drugs or other factors stimulation, etc., so that the skin allergic reaction, resulting in temporary expansion of small blood vessels in the skin mucosa and increased permeability, the skin appeared in varying sizes of lumps of bulging, bright red or pale white, with varying degrees of itching, and therefore there will be a little itchy face symptoms.
If the patient has a little itchy face, after excluding physiological factors, it is recommended to go to the hospital in time to find out the cause of the disease and receive symptomatic treatment.