Emergency

    Swollen Face in Pets (Allergic Reaction)

    Facial swelling usually means an allergic reaction to a bite or drug. Risk of progressing to airway swelling.

    АП

    Medically reviewed by

    Анна Петрова, DVM, к.в.н.

    Lead Veterinary Editor

    Last reviewed:

    Urgent if breathing is difficult, with vomiting or weakness — possible anaphylaxis.

    Assess

    Swollen Face in Pets (Allergic Reaction)

    Facial swelling usually means an allergic reaction to a bite or drug. Risk of progressing to airway swelling.

    • Wasp, bee, spider, snake bite
    • Drug or vaccine allergy
    • Contact allergy (plants, chemicals)
    • Tooth abscess or trauma

    Possible causes

    • Wasp, bee, spider, snake bite
    • Drug or vaccine allergy
    • Contact allergy (plants, chemicals)
    • Tooth abscess or trauma
    • Anaphylactic shock

    What to do at home

    1. Cold compress for 10 minutes (through cloth)
    2. Remove the collar
    3. Note what happened in the past hour
    4. Prep the carrier for urgent transport

    When to call the vet

    • Swelling grows over minutes
    • Difficult or noisy breathing
    • Vomiting, weakness, pale gums
    • Pawing at face, eyes held shut

    FAQ

    Can I give an antihistamine?

    In emergencies en route to the clinic it can help, but dose should be confirmed by a vet by phone. Does not replace a visit.