Built within the skull are bone encapsulated air pockets known as sinuses. The sinuses moisten inhaled air and trap particles within secreted mucous. Horses with sinus discomfort develop a nasal discharge on the affected side. Sinus problems occur with bacterial and viral infections (e.g.: Equine Herpesvirus), allergies, cysts, trauma, and tooth problems; bleeding from the nasal passages suggests an ethmoid hematoma.
Pet Health Services
Use our Pet Health Checker tool to help you decide if your pet's symptoms require immediate attention or if you should continue to monitor those symptoms at home.
Pet Health Checker
Use our Pet Health Checker tool to help you decide if your pet's symptoms require immediate attention or you need to monitor those symptoms at home.
Pet Health Library
We share the same goal – ensuring your animal companion is healthy and happy, which is the most important!
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