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Nosebleed

life science Maturity 7-9 Next article →

A nosebleed is when blood comes from inside the nose. Doctors call this epistaxis. It happens because tiny blood vessels in the nasal mucosa break. The nasal mucosa is the soft lining inside your nose. Most nosebleeds are minor and stop on their own.

Boxing children - bloody nose
Boxing children - bloody nose

Sometimes blood flows down into the stomach. This can make a person feel sick or vomit. In rare cases, blood might even come out of the eyes as bloody tears. This happens if blood flows through a tube called the nasolacrimal duct. Most nosebleeds are not life-threatening, but some can be serious.

There are two main types of nosebleeds. The first type is called an anterior nosebleed. This happens in the front part of the nose. It usually comes from a spot called Kiesselbach's plexus. This is a group of blood vessels in the front. The second type is a posterior nosebleed. This happens in the back of the nose. It usually comes from the sphenopalatine artery or Woodruff's plexus. Posterior nosebleeds are less common but are more serious. They can cause blood to flow out of both nostrils.

Arteries of the Nose
Arteries of the Nose

Many different things can cause a nosebleed to start. Some people get a nosebleed from a bump to the face. This is called blunt trauma. Other people might pick their nose or put an object inside it. Dry weather or low humidity can also be a cause. This makes the lining of the nose thin and dry. Seasonal allergies or infections can cause inflammation too. Some people might even have a nosebleed from using certain nasal sprays. High blood pressure can also make a nosebleed last longer.

Most people will have a nosebleed at some point. About 60% of people experience one in their lives. They are most common in children under age 10. They also happen often to adults older than 50. In the U.S. in 1999, nosebleeds were very rare causes of death. They only accounted for 4 out of 2.4 million deaths. About 10% of nosebleeds are considered serious. Only about 6% of people will need to see a doctor for one.

If you have a nosebleed, you can help stop it at home. You should pinch the soft part of your nose. Do not pinch the hard bony bridge. Hold this pressure for at least five to thirty minutes. It is important to tilt your head forward. Do not tilt your head back. Tilting forward keeps blood from going down your throat. You can also use petroleum jelly to help prevent them. If the bleeding does not stop, a doctor might use nasal packing. This involves putting special materials inside the nose to stop the flow.

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File:Boxing children - bloody nose.jpg
Boxing children - bloody nose.jpg
File:Arteries of the Nose.jpg
Arteries of the Nose.jpg
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