My dog has a dry, warm nose, does this mean that my dog is sick? Owners often ask our vets this question. The simple answer is that it is not a sign of ill health and can be normal. The main reason a dog’s nose is usually wet is because they secrete mucus that helps to enhance their sense of smell.
Dogs use olfactory receptors in their nose to collect important information about food and their environment. Humans have approximately six million olfactory receptors, whereas dogs have up to 300 million. The part of their brain that analyses smells is 40 times bigger than ours! Another reason why dogs have a wet nose is that they sweat through their paws and noses, which helps to cool them down.
A normal, healthy dog’s nose can vary between wet and dry several times over the course of a day. The common reasons for a wet or dry nose are too much time spent near a heat source, such as a radiator, a fan or lying in the sun. However, sometimes a dog's nose can cause problems. For example, dogs that spend a lot of time outside can be exposed to the elements and their nose might become damaged by the sun, wind, frost or snow; very similar to humans with chapped lips. Dogs are also more likely to lick their dry nose which can exacerbate any issues.
These include:
If your dog has a constantly runny nose, or the mucus changes colour, it can be an early sign of an upper respiratory tract infection. Dogs with these signs, those that are persistently sneezing, or have discharge from their eyes, should visit their vet.
Treatment may not be needed. Diagnosis and treatment options will depend on the results of a clinical examination by your vet, and any tests that are done. If the skin is chapped, your vet might discuss moisturisers to protect the area. Autoimmune diseases are very rare, so other diseases are typically ruled out first.
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