Equine Epistaxis: What You Need to Know
By Bianca Schwarz, DVM, DrMedVet, Dipl. ECEIM, WEVA board member

Epistaxis—essentially an equine nosebleed—is a common condition that can range from a few drops of blood in one nostril to large volumes of blood draining from both nostrils.

Sources of blood can include the upper and/or lower respiratory tract, the sinuses, and the guttural pouches. But veterinarians typically can’t identify the source of the blood from external examination alone. Thus, a horse will need to undergo further examinations to determine what’s causing the epistaxis. Radiographs, for instance, can help veterinarians visualize blood in the sinuses, which could occur after

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