Why does my Dog Foam at the Mouth?

Why does my Dog Foam at the Mouth?While many associate a dog foaming at the mouth with the infestation of rabies, this is actually quite rare. Dogs foam at the mouth for a variety of reasons and understanding why is a critical factor for any responsible owner. Some foaming indicates the ingestion of a poisonous substance and some results from overexertion and stress. Therefore, protecting your pup from these scenarios is critical to ensure he doesn’t lash out as a result of the stress or discomfort. As we take a closer look at the common reasons dogs foam at the mouth, ensure you are equipped with Canine Liability Insurance to adequately defend your four-legged friend.


According to Dogster, whether your dog gets nervous during car travel, suffers from separation anxiety, or isn’t getting sufficient exercise, sudden periods of stress can cause dogs to foam at the mouth. Furthermore, if your dog is not properly hydrated before heading out to the park or on a long walk, this could cause foaming at the mouth as well. If you see this happen, give your dog some water and allow him to cool down before continuing.

Poisonous Creatures

While the cane toad and the Colorado River toad only inhabit small areas of the U.S., coming into contact with these amphibians can be toxic to your dog. They cane toad is typically found in Florida and Southern Texas while the Colorado River toad can be found from southern California to New Mexico. If your dog comes into contact with one, seek veterinary assistance immediately.


Trauma and genetics have a lot to do with the causes for epilepsy. However, the many causes can be difficult to manage. As the seizures cause temporary overheating and loss of mobile control, your dog may begin to foam at the mouth. If your dog is prone to seizures, consult with a veterinarian about the best way to treat the symptoms.

Understanding your dog and how they react is paramount to protecting him. Whether your dog is prone to nervousness or reacting out of fear, these conditions can spark those reactions. Therefore, it’s important to identify the signs of stress or illness in your dog to improve the quality of his life and to really protect him.

There are many reasons a dog may bite, and it’s not always 100% preventable. In addition to financially protecting dog owners from dog-bite claims, our Canine Liability Policy also covers other injuries to people, including scratches and fall injuries caused by dogs, and injuries to other animals. Please contact us today for more information at (855) 534-6495.

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