新生兒發燒時,應該首先找出病因,而非急於退燒。 caused by various factors, including upper respiratory infections, gastroenteritis, tonsillitis, pneumonia, and infectious diseases. Young children may also experience fever due to urinary tract infections, gastrointestinal issues, and hand, foot, and mouth disease. It is important to consult a pediatrician to determine the cause and receive appropriate treatment. Self-medication is not recommended for infants.