During breastfeeding, many medications should not be used because they can be metabolized through breast milk and affect the child. What are the causes of high fever that need to be looked at? The more common causes are upper respiratory tract infections, colds, flu viruses. If the diagnosis is clear and the fever is caused by this reason, you can apply medicines that do not affect the child’s breastfeeding, such as Banlangen Granules and Shuanghuanglian Oral Liquid. In addition to applying these drugs, it is important to drink plenty of water, pay attention to rest, and pay attention to a light diet. If the body temperature exceeds 38.5℃ or more, you can apply fever-reducing methods. Fever-reducing drugs also have a certain effect on the child, you can use physical cooling, the use of fever-reducing patch method, the effect is still quite good. At the same time, in high fever, must pay attention to, if the infection is very serious, need to regular application of antibiotics. When using antibiotics, you must stop breastfeeding for 3-5 days, during which time you need to suck out the breast milk with a breast pump to keep the milk ducts open and not affect the child’s breastfeeding afterward.