At what temperature do dogs shiver? What to Know

What Causes a Fever in Dogs?

An infection or inflammation can produce a fever in pets, as their body attempts to fight it off. They can be internal or external, and include:

  • An infected bite, scratch, or cut
  • Ear infection
  • Urinary tract infection (UTI)
  • Infected or abscessed tooth
  • An ongoing bacterial or viral disease
  • Infection of organs, such as kidneys or lungs
  • Ingestion of poisonous materials can also cause fever. These include:

    If you think your dog has ingested a toxic substance, contact the Pet Poison Hotline

    It’s not uncommon for pets (and humans) to experience a low-grade fever 24–48 hours after a vaccination. This is usually not dangerous and resolves after a day or so, but monitor the situation.

    Signs That Your Dog May Have a Fever

    If you notice a significant change in your dog’s behavior this will be your first sign that your dog is not well. You should keep a careful eye on your dog and take note of your dogs symptoms. Any combination of the following symptoms is a good indication that you should check your dog’s temperature.

    The most common symptoms of a fever in dogs are:

  • Loss of appetite
  • Shivering
  • Panting
  • Red or glassy-looking eyes
  • Warm ears and/or nose
  • Runny nose
  • Decreased energy
  • Coughing
  • Vomiting
  • Why would a dog have a fever?

    A variety of illnesses and conditions may cause a fever in your dog. These include:

  • A bacterial, fungal, or viral infection
  • An ear infection
  • An infected bite, scratch, or cut
  • Tooth infection or abscess
  • Urinary tract infection
  • Ingestion of poisonous materials, such as toxic plants, human medications, or human foods that are toxic to dogs
  • In some cases, a dog’s fever cannot be readily determined, this is often referred to as a fever of unknown origin or FUO. In these cases, a fever could be caused by underlying disorders of the immune system, bone marrow problems, or cancer.

    6 Reasons Why Your Dog Is Shaking or Shivering