TL;DR: Dog gagging is often caused by throat irritation or a cough and is typically a medium urgency, but requires immediate emergency care if your dog struggles to breathe or has blue gums. Providing your vet with a video of the behavior is a critical tool for an accurate diagnosis.
What does it mean when my dog is gagging?
When a dog makes a gagging sound that mimics having something caught in their throat, it is often a forceful contraction of the throat muscles. This can be caused by various factors, ranging from simple throat irritation or kennel cough to more serious issues like a foreign object lodged in the esophagus or laryngeal paralysis. Frequently, what owners perceive as gagging is actually a dry, hacking cough that ends in a retch.
When is my dog's gagging considered a medical emergency?
- Medium Urgency: If your dog is still able to breathe, walk, and swallow water, they should be seen by a veterinarian within 12 to 24 hours.
- High Urgency: Seek emergency care immediately if your dog is pawing at their mouth, has blue or pale gums, or is unable to inhale, as they may be truly choking.
How can a photo or video help triage my dog?
- Record a video: Capturing the behavior at home helps a veterinary professional distinguish between a cough, a gag, and a reverse sneeze, which each point toward different diagnoses.
- Photograph discharge: If your dog produces any foam or material, a clear photo can help the vet determine if the issue is respiratory or digestive in nature.
Clinical Context (Merck Veterinary Manual)
When a dog presents with gagging, it is essential to consider the possibility of a foreign body or other underlying causes. Clinical signs associated with gagging can include retching, regurgitation, vomiting, persistent swallowing, lip smacking, coughing, tachypnea, and dyspnea. Diagnostic evaluation may include a complete blood count, biochemistry profile, skull and thoracic radiographs to evaluate for aspiration pneumonia, endoscopy, ultrasonography, CT, or MRI to determine the underlying cause. If pharyngeal paralysis is suspected, CT and MRI are particularly valuable for evaluating CNS causes. If tracheobronchitis is suspected, thoracic radiographs may be considered. Emergency tracheostomy may be required if dyspnea is present.
Chapter: Neurology, Emergency
Source: The Merck Veterinary Manual, 11th Edition (Page 186)