Winter Hot Spots in Dogs: Risks, Causes & Treatments

Hot spots in dogs, also known as acute moist dermatitis, are a common skin condition that typically flares up in warmer months. However, winter hot spots are an underestimated problem, especially in dogs with thick coats or those exposed to indoor heating and snow. Contrary to the belief that cold weather protects dogs from skin issues, winter introduces a unique set of risks that can make your dog just as vulnerable—if not more so—to hot spots. This comprehensive guide explores why dogs get hot spots in the winter, the unique risk factors, how to treat and prevent them, and FAQs that pet owners should know.

What Are Hot Spots in Dogs?

Hot spots are inflamed, infected areas of skin that often appear suddenly and can spread rapidly. These moist, oozing sores are itchy, painful, and typically cause the dog to lick, bite, or scratch at the affected area, making the condition worse.

Common Symptoms:

• Red, raw lesions
  
  

• Hair loss around the spot

• Pus or moisture

• Foul odor

• Itching and discomfort

Why Do Dogs Get Hot Spots in Winter?

While hot spots are more commonly associated with summer, the winter season poses its own challenges.

1. Dry Indoor Heating

• Central heating dries out your dog’s skin, causing irritation and itchiness.

• Dry skin leads to excessive scratching, which can trigger hot spots.

2. Moisture from Snow and Ice

• Wet coats and paws from snow can trap moisture next to the skin.

• Moisture creates a breeding ground for bacteria.
  
  

3. Thicker Winter Coats

• Many breeds grow thicker coats in winter, reducing airflow to the skin.

• Trapped moisture and poor ventilation lead to bacterial growth.

4. Reduced Bathing and Grooming

• Owners often bathe dogs less in winter, causing a build-up of dirt, dander, and allergens.

• Less frequent brushing allows mats and tangles to form, irritating the skin. The cycle of irritation can be: Allergies → itching → licking/scratching → broken skin → hot spots.

5. Winter Allergies

• Dust mites, mold, and indoor allergens can flare up with windows closed and the heat on.

• Allergic reactions can cause skin itching and secondary infections.

Breeds More Prone to Winter Hot Spots 

Certain breeds are more susceptible to hot spots during winter:

• Golden Retrievers

• German Shepherds

• Newfoundlands

• Bernese Mountain Dogs

• Saint Bernards

• Collies

These breeds have thick coats and sensitive skin, making them high-risk candidates in cold months.

Treating Hot Spots in Winter

Prompt and proper treatment is essential to prevent hot spots on dogs in winter from worsening or becoming recurrent.

1. Trim the Hair Around the Hot Spot

• Use dog-safe clippers to remove hair around the area.

• Allows air to reach the lesion and speeds healing.

2. Clean the Area

• Use an antiseptic solution like chlorhexidine or povidone-iodine.

• Gently wipe the area clean twice daily.

3. Apply Topical Treatments

• Use vet-recommended sprays to treat hot spots and manage the infection and itchiness. Avoid creams with alcohol or human ingredients.
  
  Puainta® Quantum Silver Anti-itch Skin Spray is specifically designed to treat hot spot symptoms in dogs and cats, and help soothe red, scaly, greasy, or smelly skin. It deodorizes and helps relieve fungal and bacterial skin infections, relieves itchy skin in cats and dogs, and helps control the spread of lesions.
  
  

4. Administer Medications

• For severe cases, your vet may prescribe:

  • Oral antibiotics

  • Steroids or antihistamines

  • Anti-itch or anti-inflammatory medications

5. Prevent Licking and Scratching

• Use an Elizabethan collar (E-collar)

• Soft recovery cones or recovery suits can be more comfortable

  General Healing Timeline

  Severity of Hot Spot	Winter Healing Timeline	Notes
  Mild (early stage)	4–7 days	If caught early, cleaned, and kept dry, most minor spots resolve within a week.
  Moderate (swelling, scabbing)	7–14 days	Involves hair clipping, topical meds, and behavior management. Dry skin may prolong itching.
  Severe (oozing, large lesions)	2–3 weeks or more	May require oral antibiotics, steroids, and multiple vet visits. Moisture from snow or undercoats can complicate healing.

Prevention Strategies for Winter Hot Spots

Preventing winter hot spots involves proactive grooming, skin care, and environmental control.

Grooming Tips:

• Brush your dog daily to remove mats and loose fur

• Bathe with a moisturizing shampoo once every 4-6 weeks

• Dry thoroughly after walks in snow or rain

Coat Maintenance:

• Trim long fur around high-risk areas (ears, paws, belly)

• Use detangling sprays and coat conditioners

Skin Care:

• Apply dog-safe moisturizing sprays or coconut oil to dry skin

• Use a humidifier to maintain skin moisture indoors

Environmental Adjustments:

• Avoid overheating your home

• Wipe your dog’s paws and belly after outdoor activity
  
  

• Limit contact with salted sidewalks (can irritate skin)

When to See a Vet

Seek professional help if:

• The hot spot is growing rapidly

• Your dog shows signs of systemic illness (fever, lethargy)

• There’s no improvement within 48 hours of home treatment

Diagnostic Process:

• Visual examination

• Skin scraping or culture to rule out parasites

• Allergy testing if recurrent

Frequently Asked Questions (FAQs)

Q1: Can hot spots develop even if my dog stays indoors during winter?

A: Yes. Dry indoor air, allergies, and inactivity can contribute to hot spots even for indoor-only dogs.

Q2: Should I shave my dog’s coat in winter to prevent hot spots?

A: No. Instead, trim key areas and maintain regular grooming. Shaving can reduce insulation and lead to cold exposure.

Q3: Is snow harmful to my dog’s skin?

A: Snow itself isn’t harmful, but trapped moisture from melting snow can irritate the skin and foster bacteria.

Q4: Do hot spots mean my dog is allergic to something?

A: Not always, but allergies can be a contributing factor. Recurrent hot spots warrant allergy testing.

Q5: Are certain foods helpful in preventing winter hot spots on dogs?

A: Yes. Foods rich in omega-3 fatty acids (like salmon or flaxseed) promote healthy skin.

Final Thoughts

Winter hot spots in dogs are a real concern that pet owners shouldn’t ignore. The cold season brings a host of skin-irritating factors, from dry air to wet coats and indoor allergens. With proactive grooming, environmental adjustments, and timely treatment, you can help your dog stay comfortable and hot spot-free even during the chilliest months.