Why Does My Dog Keep Throwing Up White Foamy Sticky Stuff?

Dogs can have occasional foamy vomiting which is normal and there is no need to worry. Only persistent white foamy vomiting is sign of illness that can be canine bloat. This condition needs vet visit if continues for more than 24 hours. Feeding habit like overeating and rapid eating can cause this. Some foods like dry foods can also cause this condition. If your dog is nervous and under stress then bloat can result. So, get advice from your local vet.