TL;DR: Bleeding gums after rodenticide ingestion is a life-threatening emergency that requires immediate veterinary care to treat internal hemorrhaging and clotting failure. This condition is fatal without professional intervention, such as Vitamin K1 therapy or blood transfusions.
What happens when my dog is exposed to rodenticide and has bleeding gums?
Rodenticide poisoning occurs when a dog ingests bait designed to kill rodents. Most common baits are anticoagulants, which work by blocking the synthesis of Vitamin K, a critical component for blood clotting. When a dog is exposed, their body loses the ability to stop even minor bleeds. If you observe bleeding gums, it is a clinical sign that the toxin has already depleted your dog's clotting factors, leading to spontaneous hemorrhaging.
How urgent is it if my dog has bleeding gums after eating rat poison?
- Seek immediate veterinary intervention as this is a critical, life-threatening situation.
- Recognize that internal bleeding is likely occurring simultaneously in other parts of the body, such as the lungs, chest, or abdomen.
- Professional treatment is necessary and includes Vitamin K1 therapy and potentially blood transfusions.
- Do not wait for the bleeding to stop on its own; without professional care, this condition is fatal.
How does a photo of my dog's gums or the poison packaging help with triage?
- Providing a clear photo of your dog's gums allows the medical team to assess the severity of the bleeding and identify pale or white membranes indicating shock.
- A photo of the rodenticide packaging helps identify active ingredients and concentrations.
- These details enable the veterinarian to determine the exact treatment protocol and dosage needed to save your pet's life.
Clinical Context (Merck Veterinary Manual)
Following anticoagulant rodenticide exposure in dogs, clinical signs are often delayed for 3-7 days due to the consumption of vitamin K-dependent clotting factors. Presenting signs can include pale mucous membranes, limping or swollen joints due to hemorrhage, coughing or wheezing if there is bleeding in the lungs, and bulging eyes from retrobulbar hemorrhages. Petechiae may develop after repeated small bleeds have consumed too many platelets. Diagnosis is supported by a history of exposure to rodenticide and laboratory findings of prolonged prothrombin time (PT), activated partial thromboplastin time (APTT), or thrombin time with normal fibrinogen, fibrin degradation products, and platelet counts. Stomach contents, serum, or plasma can be analyzed for the presence of anticoagulant to confirm diagnosis.
Chapter: Toxicology
Source: The Merck Veterinary Manual, 11th Edition (Page 3166)