The common causes of redness and itching on the face include contact dermatitis, acne, and acute eczema.
1. Contact dermatitis: usually due to allergic or irritant reactions after contact with certain sensitizing or irritating substances, which may cause redness, swelling and itching of acne on the face.
2. Acne: Acne caused by abnormal androgen levels, exuberant sebum secretion, bacterial infections, etc., can also manifest as redness, swelling and itching on the face.
3. Acute eczema: Due to the stimulation of many internal and external factors, acute eczema can be induced, and the symptoms may be red, swollen and itchy pimples on the face.
If you have a pimple or an itchy face, you may have other conditions, so it is recommended that you go to the hospital to complete the relevant examinations, to clarify the cause of the disease, and follow the doctor’s instructions to standardize the treatment.