They can. The foam is water and stomach acids which have a lot of air bubbles in it. Repeated vomiting is a danger sign, the dog should be seen by a veterinarian.
Because there is alot of gases in your stomach and when you vomit, all those gases mix with the liquids and cause it to foam (the liquids).
No, just sick
All dogs vomit
not most dogs due vomit naturally. If your dog is you should see a vet!
All mammals can vomit if necessary.
naol saba said it
it helps them vomit.
no
Dogs vomit mostly when they eat grass 😱
When dogs get angry foam come to their mouths
Yes
Cause their hungry