TL;DR: Fly-snapping syndrome is a behavior where dogs bite at the air due to neurological, digestive, or behavioral issues. While typically a medium-priority concern, you should seek immediate care if your dog collapses or loses consciousness.
What is fly-snapping syndrome in dogs and what causes it?
It can be distressing to watch your dog suddenly snap or bite at the air as if they are trying to catch an invisible insect. In the veterinary community, this behavior is often called fly-snapping syndrome. It is not a single disease but rather a symptom that can be caused by various underlying issues, including focal seizures (neurological), gastrointestinal distress, or behavioral obsessive-compulsive disorders.
Is fly-snapping syndrome a veterinary emergency for my dog?
- The urgency level for fly-snapping is Medium; it typically requires a scheduled consultation rather than an immediate ER visit.
- Seek emergency veterinary care immediately if the snapping is accompanied by a total loss of consciousness or collapsing.
- Contact a clinic right away if your dog becomes aggressive or unresponsive during or after an episode.
How does providing a video of the behavior help with my dog's diagnosis?
- Capturing a clear video is vital because these episodes are often intermittent and may not occur during a physical exam.
- Footage allows the veterinarian to observe your dog's level of consciousness and specific jaw movements.
- Visual evidence helps distinguish between neurological seizures, behavioral tics, and digestive discomfort.
Clinical Context (Merck Veterinary Manual)
Fly snapping, pouncing, star gazing, and light or shadow chasing can be signs of underlying neurologic disorders. Medical problems should be excluded as the cause through physical examination, history, and diagnostic testing. If the cause is not identified, a therapeutic response trial with anticonvulsants may be indicated to exclude focal seizures, or clomipramine/fluoxetine to exclude compulsive disorders.
Chapter: Neurology, Infectious Disease, Dermatology, Respiratory
Source: The Merck Veterinary Manual, 11th Edition (Page 974)