Red rashes on the upper part of the body of infants may be related to eczema and toddler rash and other disease factors, the treatment includes medication, along with daily care. 1. Eczema: infants with red rashes and obvious itching, especially when the room temperature is high or when they wear more, the color of this red rash will be more obvious, need to avoid contact with allergens, at the same time, you can use glycerine lotion, zinc oxide ointment and so on for treatment. 2. toddler rash: infants who are due to viral infections caused by fever will also appear on the body of the red rash, usually after a high fever, and in 2 to 3 days or so will subside on their own, you can use glycerine lotion to smear, to play a certain effect of anti-itching. The red rash on the upper half of the body of infants may also be related to other causes, it is recommended to consult a doctor in order to clarify the cause of the disease and standardize the treatment. All of the above medications should be used under the guidance of a doctor, and should not be used on their own.