Most nosebleeds are minor and can be managed at home, but some can signal a more serious issue. If the bleeding persists past 30 minutes, results in a large blood loss, or comes with other alarming symptoms, it’s time to seek immediate medical attention. The most common cause of nosebleeds is the drying of the nasal membranes. If a person is prone to recurrent or frequent nosebleeds, it is often helpful to lubricate the nose with an ointment of some type. Discover the causes of your nosebleeds, prevention techniques and when to see a seek medical assistance. Nosebleeds can occur due to a variety of reasons. Some of the most common causes include trauma from nose picking, blunt trauma (such as a motor vehicle accident), or insertion of a foreign object (more likely in children). [4] When to see a doctor Most nosebleeds aren't serious. They typically stop on their own or with the use of self-care steps. Although nosebleeds can cause concern, the amount of blood lost typically is less than it might seem. Nosebleeds usually aren’t serious, but knowing how to stop the bleeding and treat your symptoms is important. Learn how to prevent and treat nosebleeds. Read about the causes of nosebleeds, how to treat them at home and when you should get medical advice. Most nosebleeds are minor and go away with at-home care. But if bleeding is severe or you have other symptoms (like vomiting or trouble breathing), you should go to the emergency room. Keep getting nosebleeds? Our ENT specialists explain what causes them, how to stop a nosebleed safely and when recurring nosebleeds need checking. When should you worry about a nosebleed? Seek medical care for nosebleeds that last longer than 20 minutes or happen often enough to interfere with your life.