TL;DR: Air chewing in cats typically indicates oral pain, nausea, or a neurological issue and usually requires a veterinary examination within 24 to 48 hours.
What does it mean when my cat is chewing the air or chomping?
When a cat repeatedly chomps, smacks their lips, or chews as if they have food in their mouth when they do not, it is often a sign of oral discomfort, nausea, or a neurological response. Potential causes include:
- Dental issues such as gingivitis or resorptive lesions
- Nausea or a reaction to a foul taste or upset stomach
- Feline orofacial pain syndrome or focal seizures
Is air chewing in cats considered a veterinary emergency?
The urgency level for air chewing is generally categorized as Medium. While it is rarely an immediate life-threatening crisis, it typically indicates underlying pain that requires a professional examination within 24 to 48 hours. Seek more prompt care if you notice:
- Pawing at the mouth
- Vocalizing in pain
- A complete refusal to eat
How does capturing a video of my cat chewing the air help the veterinarian?
Because cats often mask symptoms in high-stress environments like a clinic, a video of the behavior is incredibly helpful for triage. A clear recording allows the doctor to:
- See the exact frequency and duration of the episodes
- Identify specific physical triggers
- Differentiate between dental issues, nauseous responses, or complex neurological events for a faster diagnosis
Clinical Context (Merck Veterinary Manual)
Cats exhibiting chewing motions in the air may be experiencing a compulsive disorder, but medical problems must be excluded first. Neuropathic pain, dermatologic conditions causing pruritus, myopathies, and focal seizures can manifest with similar signs. Oral diseases, foreign bodies, neoplasms, injuries, infectious diseases (including rabies), motion sickness, reluctance to swallow due to esophageal or gastrointestinal issues, sublingual lesions, tonsillitis, administration of medicine, conformational defects, metabolic disorders (such as hepatic encephalopathy or uremia), and salivary gland issues should be considered as differentials. Rabies should be ruled out before oral examination. A therapeutic trial for neuropathic pain, seizures, pruritus, or compulsive disorders may be part of the diagnostic process.
Chapter: Behavioral Medicine, Dermatology, Neurology
Source: The Merck Veterinary Manual, 11th Edition (Page 1574)