Problem: Left sided nasal discharge. Discharge had an odor and was yellow-green in color. Oral examination revealed a saggital fracxture of the last left upper cheek tooth. The root of this tooth communicates with the sinus, causing a secondary sinusitis. Once the sinus was full of fluid, the nasal discharge started.
Solution:Oral extraction of fractured tooth. Once the tooth was removed, the sinus infection needs to be addressed. In this situation the horse was given oral antibiotics for a month and the sinus infection resolved. If the infection had not resolved, the sinus would have to be flushed