TL;DR: Repetitive "chewing gum" mouth movements in dogs can indicate nausea, dental pain, or focal seizures; you should record a video for your vet and seek immediate care if your dog is lethargic or loses consciousness.
What does it mean if my dog is making a repetitive "chewing gum" motion?
When a dog makes repetitive mouth movements that look like they are chewing gum or snapping at invisible flies, it is often a sign of physical discomfort or neurological activity. This behavior can stem from diverse issues ranging from simple nausea and acid reflux to dental pain, oral foreign bodies, or even focal seizures. Identifying the context—such as whether the dog is conscious, drooling, or distressed—is the first step in understanding the underlying cause.
Is it an emergency if my dog is chewing nothing or snapping at the air?
- Assess Urgency: This behavior is currently classified as Medium urgency. While not always a life-threatening crisis, it should not be ignored.
- Immediate Action: If the behavior is accompanied by staggering, loss of consciousness, or extreme lethargy, you should contact an emergency clinic immediately.
- Follow-up: If your dog is otherwise acting normal, schedule a veterinary appointment within the next 24 to 48 hours to rule out focal seizures or hidden dental infections.
How can a video or photo of these mouth movements help my veterinarian?
- Document Intermittent Behavior: Capturing a clear video is vital because these episodes are often intermittent and may not happen during the actual physical exam.
- Assist in Diagnosis: A video allows the vet to see the exact duration, intensity, and nature of the movement, helping them distinguish between a behavioral tic, a gastrointestinal issue, or a neurological event.
- Speed Up Treatment: Providing visual evidence significantly speeds up the diagnostic process and helps ensure your pet gets the right treatment faster.
Clinical Context (Merck Veterinary Manual)
Chewing motions with the mouth in dogs can stem from various causes, including oral foreign bodies, neoplasms, injuries, mucosal defects, infectious diseases like rabies or distemper, motion sickness, fear, nervousness, excitement, reluctance or interference with swallowing due to esophageal or gastrointestinal issues, sublingual lesions, tonsillitis, medication administration, conformational defects, metabolic disorders like hepatic encephalopathy or uremia, and salivary gland issues. It is crucial to eliminate rabies as a possibility before conducting an oral examination. If recent contact with a corrosive alkaline chemical has occurred, the mouth should be flushed with mild solutions of vinegar or citrus juice; if the chemical was acidic, a solution of sodium bicarbonate should be used.
Chapter: Neurology, Gastroenterology, Infectious Disease, Dentistry, Emergency, Toxicology
Source: The Merck Veterinary Manual, 11th Edition (Page 368)