If you've ever had a nosebleed, you know how awful they can be in the moment. advertisement. PSfeelgood. When to Worry About a Nosebleed, According to an ENT. Story by Alicia Geigel • 8mo.

Nosebleeds can happen to anyone, often at inconvenient times. Dr. Stacy Chronister, an internal medicine specialist with OSU Medicine, explains that seasonal changes play a significant role.