Nosebleeds aren’t usually serious . However, frequent or heavy nosebleeds may indicate more serious health problems, such as high blood pressure or a blood clotting disorder, and should be checked. Excessive bleeding over a prolonged period of time can also lead to further problems such as anaemia.
It’s rare, but a bleeding disorder can cause nosebleeds . If you have one, your blood may not clot properly. If your nosebleeds are hard to stop and/or you get bleeding from your gums or from minor cuts, you should see a doctor immediately or get emergency care.
The most common symptom of HHT is nosebleeds , but AVMs in the lungs or brain, which usually cause no symptoms , can suddenly cause an ischemic stroke , a brain abscess, or bleeding into the brain (hemorrhagic stroke ) or lungs.
Causes of nosebleeds foreign object stuck in the nose . chemical irritants. allergic reaction. injury to the nose . repeated sneezing. picking the nose . cold air. upper respiratory infection.
A nosebleed that recurs 4 times or more in a week needs medical evaluation to determine the seriousness of the problem. A nosebleed that recurs 2 to 3 times in a month may mean that a chronic condition such as allergies is causing the nosebleeds .
Heart conditions like hypertension (high blood pressure) and congestive heart failure can also cause nosebleeds , as can hypertensive crisis — a sudden, rapid increase in blood pressure that may be accompanied by a severe headache, shortness of breath, and anxiety, according to the American Heart Association (AHA).
Dry air. A dry outside environment or heated indoor air can irritate and dry out nasal membranes. This can cause crusts that may itch and bleed when picked or scratched. If you catch a cold in the winter, the combination of repeated nose blowing with exposure to cold, dry air, sets the stage for nosebleeds .
Call your doctor if your headaches are severe and don’t go way. This may be a sign of preeclampsia, or high blood pressure and organ damage. Always see your doctor if the nosebleeds are excessive and your headaches don’t go away after 20 minutes.
This is a sign of low blood platelets. You may have frequent nosebleeds if you have low blood platelets, or a blood clotting disorder. You may have no symptoms at all.
Bending over , vigorous activity, hot or spicy food, or even smoking could also restart your nosebleed . If cold, dry air is problematic, lubricating your nasal passages, especially your septum and increasing the humidity at home or work will reduce your risk for nosebleeds .
Causes that may be triggered by stress Headaches, sometimes triggered by stress, can result in or be accompanied by a nosebleed . If you tend to pick your nose or blow your nose frequently when you feel stressed or anxious , that could also trigger a nosebleed .
Bloody noses are common and can be caused by a variety of factors including dehydration , cold, dry air, sinusitis, allergies, blood-thinning medications, and trauma. 1 More often than not a combination of these factors is to blame.
In most cases, high blood pressure does not cause headaches or nosebleeds . The best evidence indicates that high blood pressure does not cause headaches or nosebleeds , except in the case of hypertensive crisis, a medical emergency when blood pressure is 180/120 mm Hg or higher.