what is classed as a high temperature
A high temperature usually means a body temperature of 38°C (100.4°F) or above. In adults, 39°C or over is often described as a high fever.
Quick scoop
- Normal body temperature varies a bit from person to person and through the day.
- 38°C or above is commonly classed as a fever or high temperature.
- 39°C or above is generally considered a high fever.
When to be careful
A high temperature can be a sign of infection or another illness, especially if it comes with chills, sweating, feeling very unwell, confusion, or trouble breathing.
If you want, I can also tell you what counts as a high temperature in children or when to seek urgent medical help.