A small red patch at the corner of the baby’s mouth can be seen in herpes simplex, allergies or eczema and other conditions.
1. Herpes simplex: after the baby is infected with herpes simplex virus, blisters may appear on the skin and mucous membranes such as the perioral area, accompanied by pain and itching, and after a period of time, they will break and crust, and the perioral area is often red due to inflammatory reactions.
2. Allergy: when the baby’s facial skin comes into contact with or ingests certain substances that are easy to allergic to, red spots, pimples or blisters may appear at the corners of the mouth, accompanied by itching, which may break down and crust after scratching.
3. Eczema: When the baby has acute eczema, there will be papules or blisters on the basis of erythema on the face, hands and other places, and it can be fused, accompanied by itching, and after scratching, it will form vesicles and oozing.
When the corners of the baby’s mouth are red or there are mucous membrane blisters, it is necessary to consult a doctor for a clear diagnosis and follow the doctor’s instructions for treatment.