Fever is your body’s natural reaction to infection. Your high temperature will usually return to normal as the infection passes.
A high temperature can be accompanied by other fever symptoms, including feeling:
Fever is very common, especially in babies and young children. Sometimes, a child with a high temperature may have fits (febrile seizures) and become dehydrated.
You should be able to reduce the symptoms associated with a fever with simple home remedies and, if required, over-the-counter medication.
In adults, causes of fever are usually common viral and bacterial infections, including coughs, cold or flu.
Rarely, in adults and children, a high fever may be a symptom of a more serious condition, including:
If your child has a high temperature, they may have:
A fever can also be a side effect of several childhood immunisations.
You can check your temperature using a thermometer.
Seek urgent medical attention if your child has a high temperature and has:
If your child has had a high temperature for over three days, contact your GP. You should also contact your GP if your child has a high fever accompanied by:
You should contact your GP if you have a worryingly high fever along with:
After discussing symptoms and carrying out any necessary examinations, your GP should be able to diagnose the cause of your fever. However, for some underlying conditions they may need to refer you to a consultant or hospital.
To help reduce symptoms associated with a fever:
If required, your doctor will be able to arrange treatment. In some cases, your doctor may prescribe medication, either to relieve fever symptoms or to treat the fever’s underlying cause.