What do I do if my baby has a fever?

Pay attention to signs and symptoms of a serious illness. Call your child’s doctor right away if your child has a fever and:

  • Is younger than 3 months with a fever of 100.4°F or higher.
  • Looks very sick, is unusually sleepy, or very fussy.
  • Has a seizure.
  • Has been in a very hot place such as a hot car.
  • Has other symptoms such as a stiff neck, bad headache, severe sore throat, bad earache, a rash, or repeated vomiting or diarrhea.
  • Has immune system problems, such as cancer or sickle cell disease.
  • The fever goes higher than 104°F repeatedly.
  • Your child acts sick even after the fever comes down.
  • The fever lasts more than 2 days in a child younger than 2 years old.
  • The fever lasts more than 3 days in a child older than 2 years older.
cross linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram