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 burned.
An earache is a sharp, dull or burning pain in the ear.
Common causes of an earache include an infection, a change in air pressure or water in the ear.
(Earaches occur more often among small children than adults.)
(A headache can be caused by an injury to the head.)
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