For an adult, a fever may be uncomfortable, but usually isn't a cause for concern unless it reaches 103 F (39.4 C) or higher. For infants and.
Rectal, ear or temporal artery temperature of 100.4 (38 C) or higher Adults with fevers of 103 F (39.4 C) or higher will generally look and act.
Read about causes of fever in adults, symptoms, treatment, medications that may High-grade fevers range from about 103 F-104 F. Dangerous temperatures.
When does a fever in adults require medical attention? WebMD tells you what symptoms to look for and how to bring down a temperature.
An adult with a slight fever may feel like they've been hit with a semitruck, but If your fever is over 103°F (39.4°C), you should seek immediate.