Posted : 9/27/2019 4:22:48 AM
Allergies are among the most common reasons for facial swelling in dogs. When a dog's face suddenly becomes swollen, it is usually caused by an allergic reaction. ... You may especially notice swelling of the muzzle and eyelids. The neck may be swollen as well and even affect breathing.
Take care of these things:
Place a cold compress on the affected eye, to help reduce swelling.
Keep the compress in place for 10 minutes.
Take her to the vet the same day.