How to tell if my dog has a fever?

Velto answer

The only reliable way to know if a dog has a fever is to take its temperature rectally. A normal temperature is between 38°C and 39°C; anything above approximately 39.2°C is considered a fever. A warm or dry nose is not a reliable indicator.

Signs that may indicate a fever

Lethargy, loss of appetite, shivering, rapid breathing, red or watery eyes, warm ears and a desire to be alone can accompany a fever. These signs are not specific and mean a temperature reading should be taken.

How to take your dog's temperature

Use a digital thermometer reserved for the animal, lubricated with petroleum jelly. Gently insert the tip 2 to 3 cm into the rectum, while the dog is held in a standing position and reassured, until it beeps. Clean the thermometer afterwards.

The nose: a misleading indicator

A dog's nose temperature and moisture levels vary with the environment, sleep or activity. A dog with a fever can have a wet nose, and a healthy dog can have a warm nose.

When should you see a vet?

Consult a vet promptly if your dog's temperature is above 39.5°C or below 37.5°C, if the fever lasts more than 24 hours, or if it is accompanied by vomiting, breathing difficulties, or marked lethargy. Never give your dog paracetamol or ibuprofen: they are toxic to dogs.

Frequently asked questions

What is a dog's normal temperature?

Between approximately 38°C and 39°C, and slightly higher in puppies or after exercise.

Can you take a dog's temperature in its ear?

Veterinary ear thermometers are available, but they are less accurate. The rectal measurement remains the gold standard.

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