What causes nosebleeds for no apparent reason?
Dec 05, 2022
Source: Cainiu Health
Dr. Xu Gang
Introduction
Unexplained nosebleeds may occur during the dry autumn and winter seasons when the nasal mucosa becomes dry, leading to rupture of capillaries. Patients with atrophic rhinitis or dry rhinitis often have insufficient mucosal secretion in the nasal cavity, causing dryness that may result in mucosal rupture during nose-blowing, thus leading to unexplained nosebleeds. A deviated nasal septum can also cause such symptoms.
Unexplained nosebleeds may be related to factors such as dry nasal mucosa, nasal inflammation, or deviated nasal septum.
1. Dry nasal mucosa: The nasal cavity contains abundant capillaries. During dry seasons like autumn and winter, the nasal mucosa can become dry, making capillaries prone to rupture and leading to nosebleeds. It is recommended to drink more water and, under medical guidance, use saline solution to rinse the nasal cavity to alleviate nosebleeds.
2. Nasal inflammation: Patients with atrophic rhinitis or dry rhinitis often have insufficient mucosal secretion, causing nasal dryness. Nasal secretions may not drain easily, and when patients blow their nose, it could lead to rupture of the nasal mucosa, resulting in unexplained nosebleeds. Under a doctor's guidance, medications such as erythromycin eye ointment or chlortetracycline cream may be applied to relieve nasal dryness.
3. Deviated nasal septum: In cases of deviated nasal septum, the mucosa at the deviated site is often thin and prone to erosion, which can also cause nosebleeds. If nosebleeds recur frequently, it is advisable to seek medical treatment at a hospital, where hemostasis can be achieved using methods such as iontophoresis or microwave therapy.
Besides the above three causes, unexplained nosebleeds can also occur if there is a nasal tumor or an underlying blood disorder. It is recommended to visit a hospital to determine the exact cause and receive appropriate treatment accordingly.
