10 Causes of Nose Bleeds

causes of nose bleeds
What causes nosebleeds? Why is my nose bleeding? Why do I have random nose bleeds?

Are these some of the question you have in mind? Well, nose bleeding is a common event that may sometimes display as a very worrying experience.

It has actually been attributed to the fact that the human nose contains several blood vessels which can easily bleed upon irritation.

But what causes random nose bleeds? You might be one of many who is wondering what causes nose bleeding when it seems to be of no reason.

It could mainly be simply caused by dry air moving through the nose, drying and irritating the membranes that line the internal aspects of the nose.

Several incidences of nose bleeding occur during the winter days where indoor air becomes dry; especially when cold viruses move freely in the air.

Most nosebleeds occur in the frontal portion of the nasal septum, a tissue separating the two sides of the nose. The type of nosebleed that occurs on the frontal or anterior portion of the nasal septum may sometimes need the help of a trained medical professional for resolution.

Another type of nose bleeding is a situation where it occurs on the higher portion of the nasal septum. This can be very hard to control which may possibly result to serious complications.

Anterior nosebleeds originate from blood vessels called Kesselbach’s plexus. Posterior nosebleeds occur when an object or foreign material is inserted deeper into the nose. This is more serious and requires urgent medical attention.

An individual requires emergency care if bleeding goes on for more than twenty minutes.

In cases where nose bleeding occurs after a head injury, an immediate medical attention is required as it may suggest a fracture in the skull.

In these kind of situations, an x-ray of the skull is important.

Other alarming signs include repeated or severe nose bleeds, that may only be associated with minor irritations like colds but frequently occur.

The causes of nose bleeds can be divided into two classes: local and systemic factors.


Causes of Nose Bleeds

So what causes nosebleeds? There are several nosebleed causes that can be considered which ranges from nasal injury to drug intake, etc.

Anything that will distress the surface of nasal blood vessels can result to nose bleeding.

Below are some of the most common causes of nosebleeds among many individuals. Though, it is possible that a significant case of bleeding nose may occur without any known cause.

1. Blunt trauma

Blunt trauma describes the occurrence of a blunt injury. It is an injury that is non-penetrating in nature.

This kind of trauma could imply an exertion of physical force unto a body part that eventually injure blood vessels like that of the nose, face, or any other parts of the body.

A blunt trauma in the nose is one of the most common nosebleed causes identified in medical institutions. The trauma often results in nose bleeding because of the leakage of blood from weakened and injured blood vessels of the nose.

Besides blunt trauma is a broken nose, considerably one of many bloody nose causes, which refers to a break or crack of the cartilage or bone in the nose. This may display swelling around the nose or the nose itself.

nose bleeds trauma

2. Dry air

How it happens and what causes bloody noses when it comes to dry air? In fact, it is actually the most common of all nose bleed causes.

The drying of the nasal membranes makes an individual more susceptible to infections and nose bleeding.

It results from the lack of lubrication in the nasal membrane. Lack of lubrication causes crusting and makes it easy for nasal blood vessels to break.

Since dry air results to the cracking of the lining in the nose, it consequently leads to presence of nose bleeds or blood when blowing nose.

Possible solutions to cracking may include: use of humidifiers while sleeping, use of nasal sprays that will help with lubrication, and humidification of the room environment.

3. High blood pressure

High blood pressure refers to high tension in the arteries which carries blood from the heart to different parts of the body. But what causes nose bleeds when a person is hypertensve?

High blood pressure increases the chance of developing many serious health problems like stroke or heart attack.

When left unattended, it can lead to breakage of various blood vessels including those of the nose, thus, bleeding occurs.

Heavy or constant nose bleeds is possible, and should be checked. 

Can stress cause nose bleeds? Stress can lead to increased body tension among many other distressing effects, so it can.

nose bleeds high blood pressure

4. Foreign objects in the nose

A person can be put in danger when harmful materials or items are introduced into the body which may be through the nose, eyes, mouth, etc.

When a foreign object enters the nose which could place the person in danger, one of the many ways the body responds is by nose bleeding.

This has been common in children who put themselves in a choking hazard or serious injury out of curiosity.

5. Common cold effects

It is a viral infection that is characterized by sneezing, headaches, and runny nose.

Common colds is one of the many reasons for nosebleeds for it causes irritation to the nose that can result in the rapture of nasal blood vessels.

In case of having common cold, irritation can be reduced by avoiding the picking of the nose or any disturbances towards the nose.

It will help minimize the chances of nose bleeding.

Note that some medications used to cure common colds may increase the urge of scratching the nose, which may consequently stimulate and cause the breaking of nasal blood vessels that could lead to nose bleeding.

6. Ear barotrauma

This condition causes disturbances to the ear, and sometimes to the nose. It is usually caused by a change in humidity, and altitude thus, affects people in flights and those that swim in deep waters.

The condition is not harmful, but frequent ear barotrauma can result in nose bleeding making it one of many possible causes of bloody nose inception.

7. Platelet dysfunction

A drop in platelet levels can also be a cause of nosebleeds.

The platelets have the function of protecting the body against loss of blood brought about by bleeding.

In any situation where a platelet disorder has developed, for instance, thrombocytopenia, the body loses the ability to enable hemostasis, resulting in excessive blood loss during vascular injury. Individuals with such complications will be prone to nose bleeding.

nose bleeds platelet dysfunction

8. Use of anticoagulant medications and non-steroidal anti-inflammatory drugs (NSAIDS)

Blood clotting is paramount in preventing and stopping loss of blood.

But what causes a bloody nose when taking NSAIDS or anticoagulant medications?

There are medications that affect the normal ability of the blood to form clots, where in some occasions, causes a bleeding nose. Some anticoagulant prescription medications include warfarin and aspirin.

Due to these, it places the intake of medications as one of many well-known causes of nose bleeds.

9. Underlying health conditions

Liver disease, kidney disease, chronic alcohol consumption, and many other medical conditions can impair the ability of the body to regulate blood properly.

When the condition complicates, an onset of frequent nose bleeds or probably the display of excessive nose bleeds may take place.

Several medical disorders can be main causes of nose bleeding and it would necessitate immediate medical attention. Cardiovascular concerns like congestive heart failure can cause nose bleeds.

nose bleeds chronic alcohol intake

10. Allergy

Allergic responses that result in inflammation could cause nosebleeds.

Inflammation, especially those of the mucous membranes of the nose, result in irritation of the nose; breaking many blood vessels which eventually leads to blood loss through the nose.


Blood loss through the nose may sometimes seem to be a normal thing. But it might, however, signify very serious health complications that would certainly require immediate medical attention. Talk to your doctor if you have frequent or chronic nosebleeds.

Nose bleeding can be stopped at home but may also need the help of a trained medical professional to successfully do it.

Nosebleeds can be very scary, mostly because they involve a lot of blood. They are, however, usually never a real threat to one’s health, and thus, need not to cause too much panic.

Children will be more scared compared to adults, and it is worth noting that only 10% with nose bleeding problems are attended to by doctors.


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