38.5 What are the 12 hours of fever?

If the patient has a fever of more than 38℃, it is generally recommended to take ibuprofen, acetaminophen and other drugs to cool down. If the fever lasts for more than 12 hours at 38.5℃, it will first cause fatigue and listlessness. Secondly, long-term high fever is easy to lead to some complications, such as gastrointestinal discomfort, dehydration, and serious brain damage.