What You Need to Know about Nosebleeds (Epistaxis)

2. What are the Most Common Causes of a Nosebleeds?

The membranes in your nose are thin, delicate, and easily injured. In a region where certain seasons have very dry air, those membranes in your nose may dry out and leave your nasal membranes open to illness and infection. If you have a habit of picking your nose, you'll be more at risk of tearing those vulnerable membranes in your nose and possibly causing more nosebleeds. If you've got a sinus infection or even a common cold your nose may bleed from time to time.