Headaches can be very painful and can last for a long time.
If you have a headache, your head hurts.
A sprained ankle can be so painful that you can't walk.
Someone with a sprained ankle may need to use crutches to walk.
If you have a sore throat, it may be painful to swallow.
A sore throat can be caused by viruses or bacteria.
A burn is an injury to the skin caused by fire or heat.
If you get too close to a fire, you will be burnt.
An earache is a sharp, dull or burning pain in the ear.
Common causes of an earache include an infection, a changing air pressure or water in the ear.
When you have a sore throat, the back of your throat is often red and infected.
Earaches occur more often among small children than adults.
A headache can be caused by an injury to the head.
