Botulism in Dogs

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Clostridium botulinum in Dogs

Botulism is a rare but serious paralytic disease in dogs, related to ingestion of raw meat and dead animals. Typically, symptoms within a few hours to six days after eating spoiled animal meat that is infected with the Clostridium botulinum type C preformed neurotoxin. This neurotoxin causes spreading weakness, starting in the back legs and ascending to the trunk, front legs and neck. Paralysis of all four limbs is the next symptom.

Dogs generally are resistant to the more severe effects of Clostridium botulinum type C. Mildly affected dogs recover over a period of several days with supportive treatment. However, dogs with difficulties breathing will require intensive care monitoring. In severe cases, paralysis can affect the ability to breath killing the affected animal.

Symptoms and Types

  • Sudden spreading weakness starting in hind legs and ascending to the trunk, front legs and neck
  • Severe weakness of all four legs or paralysis of all four limbs (which usually occurs within 12 to 24 hours of onset)


  • Clostridium botulinum type C preformed neurotoxin, eaten in dead animal carcasses, or in uncooked or spoiled foods


You will need to give your veterinarian a thorough history of your dog's health, onset of symptoms, and possible incidents that might have preceded this condition, such as contact with spoiled meat or dead animals.

Your veterinarian will perform a full physical exam of your dog, with standard tests including a chemical blood profile, complete blood count and urinalysis. Blood will also be taken to test for the botulinum toxin in the serum. Likewise, your veterinarian may take a stool sample or vomit to test for the the toxin. X-rays of your dog's chest may be taken to check the health of the lungs and upper digestive tract, as this toxin can cause paralysis of the respiratory muscles.

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An in-depth examination of the properties of urine; used to determine the presence or absence of illness

digestive tract

The whole system involved in digestion from mouth to anus


A type of antiserum that contains antibodies against certain poisons.

Courtesy of Original Article