The most common causes of nosebleeds are:Environmental factors。Winter weather as well as dry indoor air can also make the walls of the capillaries fragile, especially in the north due to the fact that the rooms are dryHeating measures, such as heating, air conditioning and electric blankets, further aggravate the airDry, will makeThe nasal mucosa is dry and erosive, causing bleeding
In addition, winter is also the season of high incidence of respiratory tract infections, and inflammation of the nasal mucosa, combined with fever, frequent blowing of the nose and other factors, can also be causedBleeding from the nose
Of course, in addition to the above reasons, there are also some nosebleeds caused by different diseases that are not related to the season, so you should be especially careful.
Nosebleeds can be caused by several conditions
Inflammatory infection of the nasal cavity
For example, sinusitis and rhinitis, after infection, the blood vessels swell, and the patient digs and breaks the fragile microblood vessels and bleeds.
Such patients are usually accompanied by purulent discharge, severe nasal congestion, facial pain, toothache, headache and fever.
Congenital deviated nasal septum
The space on one side of the patient is narrower, the air moves faster, and it dries easily, and here it is thinner, and it is easy to bleed.
Malignancy
People over the age of 40 are at high risk of nasopharyngeal cancer. The first symptom of many patients with nasopharyngeal cancer is nosebleeds, most of which are bloody in the mucus, and the blood is dark, and cervical lymphadenopathy is common in physical examination. Patients often have tinnitus, hearing loss, etc.
Fibrohemangioma
Fibrous hemangiomas in the nasopharynx can cause massive bleeding from the back of the nose. Patients are usually between 10 and 25 years old and have been bleeding from a young age. The amount of nosebleeds that come out each time is large, and in severe cases, it can be fatal. However, such cases are extremely rare.
What should I do about nosebleeds?
First of all, willLean forward with your body and headDon't look upCauses blood to flow into the mouth or choke into the trachea.
YesSit down or take a semi-recumbent position
YesWrap ice cubes in cold water or a towel and apply to the forehead and side of the neck, which constricts blood vessels and reduces bleeding.
You can also tryThe index finger compresses the alar of the nose and presses in the direction of the septum in the middle of the nasal cavity for 1-2 minutes
IfThe bleeding still does not stop and is relatively heavy, you should go to the nearest hospital as soon as possible and be treated by a doctor.
Note*: The content of this article is for reference only and is not used as a basis for diagnosing individual symptoms. Part of the *** network, invaded and deleted. ）