If your baby has a low fever and then a normal fever, it is considered to be related to pathogenic infections or environmental influences. Parents should pay attention to observe the baby’s body temperature at all times, and take the baby to the hospital in time for examination and treatment after the cause is clear. Common causes 1, pathogenic infection: baby infected with bacteria, viruses or mycoplasma, easily lead to a low fever and then normal phenomenon. The fever will subside after the baby drinks water, sweats from exercise or takes medicine, but it will burn up again after a few hours; 2. Environmental impact: the baby will have a low fever for a while and then normal, if the body does not have other abnormal discomfort, it is mostly physiological low fever. This is mainly due to the high temperature of the baby’s environment, or wearing clothes that are too thick, resulting in increased decomposition and metabolism in the baby’s body, resulting in a transient hypothermia. Treatment 1. Parents should take the baby to the hospital to improve the blood routine, C-reactive protein and other tests, under the guidance of the doctor to use the appropriate treatment. If the fever is caused by bacterial infection, it can be treated with oral penicillin or cephalosporins, such as amoxicillin, cefixime, etc. Fever caused by viral infection can be treated with oral ibuprofen and anti-viral oral solution to help reduce fever. 2. You can use physical cooling methods to reduce fever for your baby, such as wiping your baby’s palms, feet, armpits and around the neck with a warm, wet towel. You can also give your baby a bath with warm water at 39-40°C to help cool down quickly. You can also use antipyretic patches on the baby’s head, temples, armpits, thigh roots and other parts to help reduce fever. Note 1, parents should pay attention to give the baby more water, can promote the circulation of body fluids, accelerate urination and sweating, help reduce body temperature; 2, the baby sweat to dry in time, change clean clothes and bedding, to avoid getting cold again.