Why Is My Dog's Nose Dry? What's Normal and When to Worry

Most of us are under the impression that a wet and cold nose is a sign of a healthy dog, while a dry one usually means they’re sick. But this isn't necessarily true. It's perfectly normal for your dog to have a dry nose in cold or hot weather or when they experience mild dehydration. But if a dog's dry nose is accompanied by nasal discharge, bleeding, and lethargy, it could indicate an underlying health issue.

In some instances, a dry nose may be associated with autoimmune disorders, sunburn, and bacterial or fungal infections.

To answer the question of whether a dry nose means your dog is healthy, this guide discusses what's normal and when to schedule a veterinary visit.

Key Takeaways

• A dry dog nose doesn't always mean that something's wrong.
• Our canine companions alternate between a wet and dry nose throughout the day.
• When a dog's nose is dry and includes other symptoms, such as discharge and peeling skin, there may be an underlying health issue. 
• Autoimmune disease, allergies, and respiratory infection can be responsible for a dry and cracked nose.
• A dry nose accompanied by sticky gums, weakness, and sunken eyes indicates severe dehydration and requires immediate veterinary attention.
• Use a balm for severe dryness and a pet-safe sunscreen against prolonged sun exposure.

Why Dogs Have Wet Noses

We know that dogs have a very keen sense of smell. All dogs use their noses to understand their surroundings. They naturally produce a thin layer of mucus to keep their noses wet. As they move about, tiny scent particles stick to the mucus, helping them learn more about their environment. Furthermore, a dog licks its nose to detect additional odors and tastes.

When dogs get too hot, the moisture on their noses evaporates, providing cool air as they breathe. However, the best way to keep your dog cool in warm weather is to provide shade and constant access to fresh water. 

But if you notice persistent dryness and symptoms such as a runny nose and crustiness, there could be an underlying health issue.

Common and Usually Harmless Reasons for a Dog's Dry Nose

Here are several reasons why your dog may have a dry nose, despite being healthy.

Flat-Faced Breeds

Dog owners with flat-faced or brachycephalic breeds such as pugs, Boston terriers, and boxers must pay attention to the condition of their pets' noses. Because of these dog breeds’ flatter facial structure, they cannot lick their noses and are at higher risk of severe dryness.

Temperature Fluctuations

In winter, indoor heating causes dry air, which significantly dries your dog’s nose. Likewise, cold air will rapidly evaporate any moisture on your pet's nose. The summer heat also causes moisture to evaporate quickly, leaving dogs with temporary dryness. 

To combat dry noses in summer and winter, you can apply pet-friendly balms containing shea butter or coconut oil. These ingredients lock in moisture and are safe, even if your dog licks their nose.

Sleep

While your dog is fast asleep, they don't actively lick their nose. You'll notice that their nose remains dry as they dream but should become moist as soon as they're active again.

Age-Related Changes

Senior dogs tend to have drier noses than their younger counterparts. This is a completely normal age-related change provided your dog's overall health is good.

Strenuous Activity

Exercise, particularly on a hot day, can lead to minor dehydration in dogs. This is because your dog is more likely to pant more, and constant panting causes drier noses through evaporation.

Signs Your Pup's Nose Dryness Is a Problem

Autoimmune Diseases

While less common, dogs can be affected by autoimmune disorders, including:

• Discoid Lupus Erythematosus (collie nose). This causes pigment loss and ulcers.
• Pemphigus creates nasal scaliness and fissures.
• Fungal infections, such as blastomycosis, form crusts, dryness, and thick nasal discharge (Wehner et al., 2008). 

Research shows that autoimmune disorders, such as Pemphigus Foliaceus, cause cracked, bleeding, and dry noses in dogs. The condition can also cause scaly and painful paw pads (Goodale, 2019). 

Allergies

Environmental factors like pollen, grass, dust, and even cleaning products can irritate your pet's skin. According to Micháľová et al. (2022), when they're exposed to an allergen, which is usually a harmless substance, the immune system responds abnormally, resulting in an inflammatory reaction. Dogs may show the following symptoms:

• Nose dryness
• Itchiness
• Face-rubbing
• Inflamed skin
• Watery eyes

You can learn how to support your dog's skin and calm an overreactive immune system with our guide to the best allergy supplements for dogs.

Hyperkeratosis

The outer layer of skin, known as the stratum corneum, on your dog's nose is packed with keratin. But when keratin builds up, it causes a rough texture, dryness, and crusting, called hyperkeratosis. If the tissue cracks and becomes infected, it can be very painful. This condition frequently affects your dog's paw pads and requires veterinary attention.

Your veterinarian will perform a physical exam and take skin scrapings to detect secondary infections and parasites that may cause similar symptoms. While there is no cure for the condition, you can manage symptoms with skin soothing balms.

According to Veterinary Dermatology (2018), the daily application of balms containing fatty acids and essential oils in 48 dogs with idiopathic nasal hyperkeratosis revealed improvements in overall dryness and suppleness. However, research concerning the effectiveness of such therapy remains limited.

Sunburn

Dogs with a light nose color are at greater risk of sunburn. Pink noses are prone to UV damage, leaving pets with dry, cracked, and peeling skin.

Using a broad-spectrum sunscreen can protect dogs with light colored noses. But do not use products for humans on your pets, as the chemical ingredients can be toxic to them.

Dehydration or Illness

A more serious symptom of an extremely dry nose is dehydration. A dehydrated dog will show the following symptoms:

• Rapid panting
• Poor skin elasticity
• Deep-set or dull eyes
• Lethargy
• Vomiting
• Collapse

Dehydration can be life-threatening, so if you suspect that your dog is severely dehydrated, you must see an emergency vet. Other signs that your dog is sick include a lack of appetite and fever. This can also place them at risk of dehydration.

A dry nose from respiratory illness is primarily caused by nasal congestion, dehydration, and fever. If you notice any of these signs, speak to your vet immediately.

Have a look at our guide on how to tell if your dog is sick for more ways to spot signs of illness.

FAQs 

Is It Normal for a Dog to Have a Chronically Dry Nose?

Dogs have dry noses at different times of the day, but a chronically dry nose could signal a health problem. Persistent dryness accompanied by symptoms such as peeling and skin inflammation may indicate an infection or an autoimmune disorder. We recommend discussing these symptoms with your veterinarian. 

Can You Prevent a Dry Nose in Dogs?

You cannot prevent a dry nose because all dogs experience dryness at some stage. What you can do is look out for persistent dryness, crusting, and other symptoms that show your dog is sick.

What Can I Apply to My Dog's Nose?

You can use pet-friendly balms with moisturizing ingredients to soothe chapped skin.

Will Allergies Cause Dry Noses in Dogs?

Environmental allergies are a leading cause of a dry nose in dogs. Good nutrition and veterinary care will improve your dog's nose health by keeping allergies under control. Consider our allergy and itch support for dogs for shiny coats and wet noses.

Conclusion

Your dog's dry nose is not always a sign that they're unwell. Whether it’s because of a change in temperature or a long nap, most dogs will have a dry nose that will moisten naturally. Look for a persistently dry and cracked nose, as this is a sign of an underlying health issue.

When you have a sick dog, a dry nose is often accompanied by itching, crusting, and discharge. A simple way to support your dog's nose and overall health is to provide them with a balanced diet. Good nutrition protects the skin and shields against environmental factors such as dry air or diseases.

Working with your vet will help you get to the cause of your beloved pet's ongoing nasal dryness. They will examine your dog's skin and assess their medical history to create a tailored treatment plan.

References 

• Wehner, A., Crochik, S., Howerth, E. W., & Koenig, A. (2008). Diagnosis and treatment of blastomycosis affecting the nose and nasopharynx of a dog. Journal of the American Veterinary Association, 233(7), 1112-1116. 
• Catarino, M., Combarros-Garcia, D., Mimouni, P., Pressanti, C., Cadiergues, M.C (2018). Control of canine idiopathic nasal hyperkeratosis with a natural skin restorative balm: A randomized double-blind placebo-controlled study. Veterinary Dermatology, 29(2), 134-e53. 
• Goodale, E. (2019). Pemphigus foliaceous. The Canadian Veterinary Journal, 60(3), 311. 
• Micháľová, A., Takáčová, M., Karasová, M., Kunay, L., Grelová, S., & Fialkovičová, M. (2022). Comparative study of classical and alternative therapy in dogs with allergies. Animals, 12(14), 1832.