Why Does My Dog Throw Up Water With Foam?

White or foamy vomiting is common problem in dogs and should be neglected if it happens occasionally. This can be due to following reason.

1. Canine bloat
2. Eating rapidly
3. Overeating
4. All foods that can cause irritation in GI tract
5. Stress
6. Nervousness

Among all these reasons, bloat is very harmful and serious condition. Death of the dog is expected if bloat is not treated because stomach can be twisted due to filling of gases after eating. So, if foamy vomiting is on regular basis in your dog then take him to vet.