Score: 4.8/5 (65 votes) At What Temperature Does My Baby Have a Fever? A baby's normal temperature can range from about 97 to 100.3 degrees Fahrenheit. Most doctors consider a rectal temperature of 100.4 F or higher as a fever.
Since their clinical presentation may overlap with PFAPA, a clinical score based on family history, age at onset (the younger the onset, the more likely it is genetic), presence of diarrhea, abdominal or thoracic pain, and absence of aphthosis, has been developed to identify patients with ...