Emergency — vet now
What it can look like. A general, vet-reviewed example — signs vary and this is not a diagnosis. When in doubt, ask your vet.
Sudden facial swelling in dogs
Clinical name: Angioedema
Sudden puffy face, muzzle, lips or eyelids — often within minutes of a trigger.
Where it shows upface · muzzle · eyes
Typical patternFace.
Linked allergy typesAcute reaction
Food vs environmentalAcute reaction to a food, treat, sting or medication.
What you can do
Call your vet now — swelling can progress to the airway.
Don't confuse it with
Other causes a vet will want to rule out: insect sting, vaccine reaction.
This is educational information, not a diagnosis or treatment plan. Always see your veterinarian about your dog's health.
