What causes sudden nosebleeds?
Apr 16, 2024
Source: Cainiu Health
Dr. Lu Cheng
Introduction
In general, sudden nosebleeds may be caused by dry air, trauma, acute rhinitis, sinusitis, deviated nasal septum, or other reasons. Patients should promptly visit a正规 hospital to determine the underlying cause and receive appropriate treatment. It is important to develop good daily habits, such as avoiding frequent nose picking, which can easily worsen nosebleed symptoms.
Under normal circumstances, sudden nosebleeds may be caused by dry air, trauma, acute rhinitis, sinusitis, deviated nasal septum, or other reasons. Patients should promptly visit a正规 hospital to determine the underlying cause and receive appropriate treatment accordingly. Specific analysis is as follows:
1. Dry Air
When the air humidity is particularly low, moisture in the nasal cavity evaporates rapidly, causing the nasal mucosa to become dry. Dry mucosa is prone to rupture of blood vessels beneath it, leading to nosebleeds. If necessary, using a humidifier indoors can help alleviate this condition.
2. Trauma
If the nose has suffered accidental injury—such as impact or falling—or if sharp objects have been used to pick the nose, it can easily damage the nasal mucosal blood vessels and cause bleeding. In such cases, applying pressure with a cotton swab can help stop the bleeding.
3. Acute Rhinitis
This commonly occurs due to bacterial or viral infections. After infection, pathogens stimulate the nasal mucosa, triggering an inflammatory response. Under inflammatory stimulation, nasal mucosal congestion may occur, sometimes resulting in nosebleeds. Under medical guidance, patients may use medications such as normal saline solution, budesonide nasal spray, or赛洛唑啉 hydrochloride nasal spray to relieve symptoms.
4. Sinusitis
Mainly related to infectious factors, prolonged inflammatory irritation of the nasal mucosa may lead to mucosal rupture and bleeding. Additionally, frequent nose-blowing by patients can easily trigger rupture of submucosal blood vessels. Under medical supervision, patients may take medications such as amoxicillin capsules, cefaclor capsules, or azithromycin dispersible tablets for treatment.
5. Deviated Nasal Septum
Related to developmental abnormalities, the area of the deviated septum often has vascular malformations and rich vascularity, making it susceptible to bleeding upon external impact or nose picking. If necessary, surgical correction via septoplasty performed by a qualified physician may be required.
In daily life, it's important to develop good habits and avoid frequently picking the nose with fingers, as this may worsen nosebleed symptoms.
