Breathing change, collapse, or rapid progression: ER. Mild stable swelling: urgent veterinary advice same day.
| Scenario | Sudden facial swelling |
|---|---|
| Vet vs poison control vs ER | ER/vet for allergic swelling. Poison control when drug overdose or toxin is the likely trigger. |
Noisy breathing, blue gums, or extreme effort end the debate.
Call ahead so the ER can prepare.
Still deserves same-day guidance — swelling can evolve.
Ask what monitoring window to use at home if they clear you for that path.
This is general information, not a diagnosis. Contact your vet for anything urgent or unclear.