our baby is under the age of 2 or 3 months. Get in touch with the doctor if he has any fever at all, even a temperature as low as 100.4 degrees.
“Because they have a less-mature immune system, an infection in a child that young can be a sign of something more serious,” such as bacterial meningitis or pneumonia, Mendelson says.
Your baby is older than 3 months and also has other symptoms. If he’s weak or vomiting in addition to a high temperature, check with the pediatrician. Same goes if his fever lasts for more than 3 days, Mendelson says.
Your child has a high fever. The American Academy of Pediatrics says to call your pediatrician right away if your child’s temperature repeatedly goes above 104 degrees. That’s especially important if he has other symptoms, such as a rash, trouble breathing, trouble waking, persistent vomiting, or diarrhea.