home > drugs a-z list > cocaine (cocaine hydrochloride topical solution) drug center > cocaine (cocaine hydrochloride topical solution) drug - clinical pharmacology

Nosebleed »

Why causes nosebleeds?

The nose is a part of the body rich in blood vessels (vascular) and is situated in a vulnerable position as it protrudes on the face. As a result, trauma to the face can cause nasal injury and bleeding. The bleeding may be profuse, or simply a minor complication. Nosebleeds can occur spontaneously when the nasal membranes dry out and crack. This is common in dry climates, or during the winter months when the air is dry and warm from household heaters. People are more susceptible to a bloody nose if they are taking medications which prevent normal blood clotting warfarin (Coumadin), aspirin, or any anti-inflammatory medication]. In this situation, even a minor trauma could result in significant bleeding.

The incidence of nosebleeds is higher during the colder winter months when upper respiratory infections are more frequent, and the temperature and humidity fluctuate more dramatically. In addition, changes from a bitter cold...

Read the Nosebleed article »