TL;DR: Ingesting a silicone earplug is a high-urgency situation because the material cannot be digested and frequently causes life-threatening intestinal blockages. Contact an emergency veterinarian immediately, especially if your cat is vomiting or refusing food.
What happens if my cat swallows a silicone earplug?
If your cat has ingested a silicone earplug, they have swallowed a foreign body that cannot be digested. Silicone is soft and flexible, but it is also durable and waterproof. Unlike food, it will not break down in the stomach acid, meaning it must either pass through the entire digestive tract or be surgically removed if it becomes stuck.
Is it a medical emergency if my cat ate an earplug?
- Urgency Level: High. While a small earplug might pass in some cats, silicone is a common cause of gastrointestinal obstruction.
- Because earplugs are designed to expand or grip, they can easily become lodged in the narrow pylorus (the exit of the stomach) or the small intestine.
- An obstruction is life-threatening and requires immediate veterinary intervention.
- Contact an emergency vet right away, especially if your cat is vomiting, lethargic, or refusing food.
How does providing a photo of the earplug help my veterinarian with triage?
- If you have an identical earplug, take a photo of it next to a common object (like a coin) for scale and send it to your veterinarian.
- Knowing the exact size, shape, and material density helps the vet determine the likelihood of the object passing naturally versus the risk of it getting stuck.
- A reference photo helps the radiologist know what to look for on an X-ray, as silicone can sometimes be difficult to see against soft tissue.
Clinical Context (Merck Veterinary Manual)
If a cat has ingested a silicone earplug, which is generally considered a small, smooth foreign body, it may pass uneventfully through the GI tract. Monitoring with abdominal radiographs to track its movement is recommended. Intervention is required if the foreign body is not moving, or if obstruction or worsening of clinical signs are apparent. In most cases, endoscopic or surgical retrieval is recommended because of the potential for obstruction or perforation.
Chapter: Toxicology, Gastroenterology, Surgery
Source: The Merck Veterinary Manual, 11th Edition (Page 3003)