If a high fever occurs during breastfeeding, the first thing you should do is to observe what is causing it. There are many different causes of high fever, including viral and bacterial infections. Viral infections are divided into viral colds and bacterial infections are divided into various causes. If there is mastitis, inflammation of the gums, pharyngitis, or inflammation of a certain part of the body that is more seriously infected, as long as the white blood cells are more than 10,000, it is possible to cause high fevers at any time, and this requires timely examination of the condition, and then symptomatic treatment. During the breastfeeding period, try to use physical therapy, when a high fever occurs, the first physical cooling, with warm water or take a warm bath, you can also drink a moderate amount of carrot water or brown sugar ginger water to promote the metabolism, improve the phenomenon of fever, and then check to see what parts of the discomfort, and then symptomatic treatment.