Symptoms and Signs of Nosebleed Causes, Symptoms, First Aid Remedies, and Treatments

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Medically Reviewed on 3/30/2019

Doctor's Notes on Nosebleed Causes, Symptoms, First Aid Remedies, and Treatments

A nosebleed refers to bleeding through the nostrils of the nose due to any cause. The medical term for nosebleed is epistaxis. The most common causes of nosebleed include drying or cracking of the nasal membranes from dry climates and trauma from nose-picking. Other factors that increase the likelihood of nosebleed include infection, trauma, allergic and non-allergic rhinitis, hypertensionalcohol abuse and inherited bleeding problems. Taking medications that interfere with blood clotting can also increase the risk of getting a nosebleed.

Signs and symptoms of nosebleed include mild to severe bleeding from the nostrils. Some people experience associated symptoms like feeling weak or faint if the bleeding is extensive. If blood collects in the throat and is swallowed, it may cause nausea, vomiting, or diarrhea.

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Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.