In most cases, rashes on the baby’s body may be caused by allergic factors, such as hives due to allergies or eczema due to allergies, or other types of dermatitis. In this case, topical anti-allergy medications can be used, such as topical chlorcyclizine cream or benadryl cream. If the area is not too large, you can also apply topical glyburide lotion or topical hydrocortisone butyrate cream. Of course, if the rash is not caused by allergic factors, such as the formation of infectious factors, such as the most common clinical emergency rash, as long as the antiviral treatment. For the rash on the body, if there are no obvious symptoms of discomfort, you can temporarily do not have to deal with, or use glycerin, petroleum jelly surface topical application, can play a certain protective effect can be.