Contents hide 1 why is my dog gagging and coughing up white foam 2 Common Causes of Gagging and Coughing Up White Foam 3 When to Be Concerned 4 What to Do if Your Dog Gags and Coughs Up White Foam 5 WHY is my DOG coughing up WHITE FOAM?? 6 Seek Veterinary Care 7 … Continue reading why is my dog gagging and coughing up white foam