Why We Have Nosebleeds?

Question by Juan Concepcion: why we have nosebleeds?
why we have noseblleds its the heat or the disease

Best answer:

Answer by Sandra
Usually it is because the air is very dry and the inside of your nose is also very dry. Normally the blood vessels of the nose are protected by mucus. (Mucus is your friend.) But if the nose dries out too much, the thin walls of the blood vessels can rupture more easily.

“Nosebleed Causes

Most nosebleeds do not have an easily identifiable cause. However, trauma to the nose is a very common cause of nosebleeds. Nosebleeds can be caused by trauma to the outside of the nose from a blow to the face, or trauma to the inside of the nose from nose picking. Other conditions that predispose a person to nosebleeds include:

exposure to warm, dry air for prolonged periods of time,

nasal and sinus infections,

allergic rhinitis,

nasal foreign body (object stuck in the nose),

vigorous nose blowing,

nasal surgery,

deviated or perforated nasal septum, and

cocaine use.
Less commonly, an underlying disease process or taking certain medications may cause a nosebleed or make it more difficult to control.

Inability of the blood to clot is most often due to blood-thinning medications such as warfarin (Coumadin), clopidogrel bisulfate (Plavix), nonsteroidal anti-inflammatory drugs (NSAIDs), or aspirin.

Topical nasal medications, such as corticosteroids and antihistamines, may sometimes lead to nosebleeds.

Liver disease, chronic alcohol abuse, kidney disease, platelet disorders, and inherited blood clotting disorders can also interfere with blood clotting and predispose to nosebleeds.

Vascular malformations in the nose and nasal tumors are rare causes of nosebleeds.

High blood pressure may contribute to bleeding, but is rarely the sole reason for a nosebleed. It is often the anxiety associated with the nosebleed that leads to the elevation in blood pressure.”

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