Repeated allergic itching of the face may be caused by contact dermatitis, eczema, drug rash and other reasons.
1. Contact dermatitis: mainly due to the allergic reaction caused by the patient’s contact with various allergens, due to the role of the body’s immune system, when the patient is repeatedly exposed to allergens, the phenomenon of repeated allergic itching of the face can occur.
2. Eczema: a variety of factors caused by the superficial dermis and epidermal inflammation, the chronic phase of the local skin roughness and thickening of the moss-like changes in the main, easy to recur, so that the patient can be repeated allergic itchy face.
3. Drug rash: drug dermatitis, refers to the drug through oral, injection, external absorption and other ways into the human body, caused by the skin mucosal inflammatory reaction. When patients need to use drugs for a long time, due to the stimulation of inflammation, patients can appear face repeated allergy itching.
Repeated allergic red itchy face can also be seen in other diseases, it is recommended that patients go to the hospital in a timely manner, follow the doctor’s instructions for treatment, to avoid delaying the condition.