Nosebleeds are rarely dangerous. The bleeding is often caused by
colds, a blow to the nose, dry air, or a simple scratch inside
the nose. To stop a nosebleed, sit up and tilt your head
forward. This will prevent you from swallowing blood. Squeeze
the fleshy, lower part of the nose between the thumb and index
finger. Some blood may go down the back of the throat, but it
will do no harm and can be spit out. Maintain the pressure for
ten minutes, then release it slowly. If the bleeding continues,
resume the pressure for a few more minutes. Place a cold cloth
against the bridge of the nose to help constrict the blood
vessels. After the bleeding stops, be careful not to sniff or
blow your nose for a few hours as this may dislodge the clot. If
you are unable to stop the bleeding within twenty minutes, you
should see a doctor. It may be necessary to have the nose packed
with gauze or, in some cases, to have the bleeding area
cauterized (caw-ter-rized). See a doctor if the nosebleed is
caused by an injury such as a b