When are nosebleeds a problem?
Ask the doctor
I just moved to a high-altitude, dry region and I've since had a couple of nosebleeds. Could my location have anything to do with it?Most nosebleeds aren't a cause for concern, but certain signs indicate otherwise. If they happen frequently, the blood flow is heavy or long-lasting (more than 20 minutes), or other symptoms show up — such as unexplained bruises, dizziness, or fast heart rate — it's important to see your doctor. These situations might mean you need evaluation for high blood pressure, iron deficiency anemia, or a blood clotting disorder.
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About the Author
Toni Golen, MD, Editor in Chief, Harvard Women's Health Watch; Editorial Advisory Board Member, Harvard Health Publishing; Contributor
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