The red dots that appear after a fever in infants are the following: 1. The red dots that appear after the fever has subsided for 3-5 days repeatedly, this situation is considered to be an early childhood emergency rash, that is, a viral rash, which is usually a sign that the recovery period of the disease has almost reached a clinical cure, and is not in need of treatment, and only needs to be consolidated according to the symptoms of the recovery medication. 2. If the red dots appear while the fever is in progress in infants, it is possible that The most important thing is to make sure that you have a good understanding of the situation. It is necessary to find out whether the allergy is caused by medication or by a separate allergic reaction caused by the decline of the immune system, and give symptomatic medication after finding out.