TL;DR: A grass awn in a dog's ear is a high-priority emergency that requires immediate veterinary care to prevent the seed from migrating deeper and causing permanent damage or hearing loss.
What is a grass awn and why is it dangerous for my dog?
A grass awn, commonly known as a foxtail, is a sharp, needle-like seed head found on certain types of grasses. These seeds possess microscopic barbs that function like a one-way street; they are designed to move forward into tissue and are very difficult to pull backward. Once they enter a dog's ear canal, they can quickly migrate deep toward the sensitive eardrum.
Is a grass awn in my dog's ear a veterinary emergency?
Yes, a grass awn in the ear canal is considered a high-priority emergency because the barbs prevent the seed from falling out naturally. If left untreated, the following may occur:
- The seed will continue to move deeper with every shake of your dog's head.
- The awn can rupture the eardrum or cause severe internal infections.
- The seed can migrate into the middle ear, potentially leading to permanent hearing loss or neurological issues.
How does taking a photo of my dog's ear help the veterinary team with triage?
Taking a clear photo of your dog's ear is an invaluable tool for your veterinary team for several reasons:
- A photo of the external ear allows a professional to assess the degree of redness, swelling, or discharge even if the seed is hidden.
- This visual information helps the triage nurse determine how quickly your pet needs to be seen.
- It helps the medical team prepare for potential sedation or specialized extraction tools before you even arrive.
Clinical Context (Merck Veterinary Manual)
When a dog presents with a suspected grass awn (foxtail) in the ear, initial management should include gentle flushing to remove exudate before obtaining samples for cytologic evaluation and culture. Examination of the ear canal is attempted after drying. In cases of stenosis due to hyperplasia or edema, systemic glucocorticoids administered daily for one week may reduce swelling to allow examination. If sedation is not required, diagnostic tests such as skin cytology, exudate cytology, hair trichograms, skin scrapings for Demodex, and ear swab cytology with mineral oil should be collected.
Chapter: Dermatology
Source: The Merck Veterinary Manual, 11th Edition (Page 530)