TL;DR: Chewing an electrical cord is a life-threatening emergency for puppies that causes internal damage and respiratory distress; seek immediate veterinary care even if symptoms are not yet visible.
What happens to my puppy's body after chewing an electrical cord?
- Electrical arcs can cause severe burns to the mouth, tongue, and throat.
- The electricity can disrupt the heart's natural rhythm.
- Fluid can accumulate rapidly in the lungs, a condition known as non-cardiogenic pulmonary edema.
Is it an emergency if my puppy bites a power cord?
- Urgency Level: High. Any instance where a pet is suspected of biting an electrical cord must be treated as a medical emergency.
- Even if your puppy appears normal immediately after the incident, internal damage and respiratory distress can develop several hours later.
- Seek emergency veterinary care immediately if you notice difficulty breathing, coughing, or excessive drooling.
- Check for visible gray or white burn marks in the mouth.
Why should I provide a photo of the cord and my puppy's mouth to the vet?
- A clear photo of the damaged cord helps the medical team estimate the potential voltage and duration of the shock.
- A clear photo of your puppy’s gums and tongue allows the vet to assess for signs of shock or immediate tissue damage.
- Providing these photos helps the veterinary team prepare the necessary life-saving equipment before you even arrive at the clinic.
Clinical Context (Merck Veterinary Manual)
Chewing on electrical cords is a common problem in puppies and can result in electric burns, frequently involving the tongue, lips, cheeks, labial and buccal mucosa, and palate. Injuries may range from mild discomfort to destructive tissue loss, scar formation, and subsequent deformity. A linear scar across the dorsum of the tongue is often observed, outlining the path of the cord, and one or both lip commissures may have a scar or wound. Adjacent carnassial teeth may become discolored, potentially requiring endodontic treatment. Clinical signs include hesitation to eat or drink, drooling, and resentment of handling. Systemic involvement, such as non-cardiogenic pulmonary edema, can be life-threatening and requires immediate evaluation and treatment.
Chapter: Dentistry
Source: The Merck Veterinary Manual, 11th Edition (Page 366)