The baby after taking dexamethasone and then recurring fever, may be related to bacterial, viral infections and other reasons, you can take the cooling treatment and medication for the cause of the treatment, etc., as follows: As dexamethasone is a glucocorticoid drug with immunosuppressive and anti-inflammatory effects, it is generally used in the treatment of severe allergies, asthma, chronic obstructive pulmonary disease, etc. However, dexamethasone does not belong to the fever-reducing drugs, and there may be a situation in which the baby has a fever that is repeated after taking dexamethasone. If the baby’s body temperature does not exceed 38.5 degrees, breastfeeding and sleep is basically normal, you can take physical cooling treatment, you can open the clothes to dissipate heat, use warm towels to wipe the body, drink more warm water, etc., can achieve cooling. If the temperature exceeds 38.5 degrees, you can take ibuprofen and other drugs to reduce fever. There are many causes of recurrent fever in babies. If the baby has a bacterial infection that causes fever, anti-inflammatory drugs such as cephalosporin can be taken orally to treat the fever; if the baby has a viral infection, anti-viral oral solution can be taken to treat the fever. All of the above medication should be taken under the guidance of a doctor, not blindly self-medication, in order to avoid adverse effects, in addition, the baby’s fever may have other reasons, it is recommended to go to the hospital in a timely manner for examination, to clarify the cause of the disease, and then give treatment.