What causes nosebleeds during migraines?
Migraine accompanied by nosebleeds may be caused by factors such as heatstroke, hypertension, or viral infections.
1. Heatstroke: When excessive heat accumulates in the body, blood vessels dilate and blood flow accelerates, which can cause capillaries in the nasal cavity to rupture and result in nosebleeds along with migraines. It's important to take proper measures for heat prevention and cooling during summer.
2. Hypertension: Elevated blood pressure increases pressure within blood vessels, causing nasal capillaries to burst and leading to dysfunction in cerebral vascular contraction, which may manifest as migraine with nosebleeds. Blood pressure should be regularly monitored under medical guidance, and appropriate medications should be used promptly based on examination results.
3. Viral infection: When pathogens such as bacteria or viruses invade the nasal area, inflammatory mediators can stimulate small blood vessels, causing them to rupture and lead to nosebleeds. In more severe cases, this inflammation may also trigger migraines. Additionally, migraines themselves can cause blood vessel dilation or spasms, worsening the nosebleed symptoms. Under medical guidance, medications such as ribavirin granules or oseltamivir granules may be used for treatment.
In addition to the above causes, disorders of the hematopoietic system may also lead to this condition. It is recommended to seek timely medical evaluation and receive targeted treatment based on the underlying cause.