One minute you're hot; the next, you're chilled and your teeth chatter. You've got a fever. See how much you know about fever, what causes it, and the best ways to treat it.
A fever of this temperature is considered a medical emergency. Take your baby to his or her doctor or to the emergency room right away. Don’t give your child any fever-reducing medicine unless your doctor tells you to do so. These medicines can mask symptoms that your provider wants to see to help with a diagnosis.
If your child is 8 weeks to 3 months old and has a fever of more than 101°F (38.3°C), you should see your doctor within the next several hours. You don’t need to contact your doctor in the middle of the night if you will be able to reach the doctor’s office in the next few hours. Follow your doctor’s instructions for treating fever.
If your child has any of these symptoms, seek care for your child right away: