A fever is usually a normal response of your immune system to a virus or bacterial infection. Find out when a fever is something you can take care of at home and when you should see your doctor.
Fever
In this section
- A fever is usually a normal response of your immune system to a virus or bacterial infection. Most healthy adults can tolerate a fever well. Read more
- A fever is usually a normal response of a child’s immune system to a virus or bacterial infection. Most healthy children can tolerate a fever well. Read more