Effective Treatment for Hot Spots on Dogs
Hot spots, or acute moist dermatitis, are painful, rapidly developing skin infections affecting dogs. These areas often appear suddenly and can worsen within hours, usually triggered by the dog excessively licking, biting, or scratching a particular spot. Understanding how to treat hot spots effectively is crucial for your pet’s recovery and comfort.
What Causes Hot Spots in Dogs?
Hot spots are the results of the skin's natural barrier breaking down due to self-inflicted trauma. Once compromised, normal skin bacteria overgrow, leading to inflammation and infection. Common triggers include:
- Allergies – especially flea, food, or environmental
- Insect bites – from fleas, mites, or mosquitoes
- Ear infections – particularly in dogs with floppy ears
- Poor grooming – matted or dirty coats trap moisture
- Underlying skin infections – bacterial or yeast
- Anal gland issues
- Stress or anxiety – leading to excessive licking
- Orthopedic problems – from arthritis or joint pain
- Contact with irritants
Recognizing Signs of a Hot Spot
Common symptoms include:
- Red, moist, and inflamed skin lesions
- Hair loss in the affected area
- Pus or discharge with possible matting
- Foul odor if infected
- Signs of pain, itching, or distress
Hot spots frequently appear on the head, hips, limbs, or rump but may appear anywhere.
Initial Home Treatment
If the lesion is minor and the dog is otherwise healthy, initial home treatment includes:
- Trimming or shaving the fur around the area to allow air flow
- Cleaning the site gently with warm water and chlorhexidine or another mild antiseptic
- Avoiding harsh chemicals like alcohol or hydrogen peroxide which can irritate the skin
- Preventing self-trauma using an Elizabethan collar (E-collar) to stop licking or scratching
- Monitoring for signs of improvement or worsening
When to See a Veterinarian
Veterinary care is essential if:
- The spot is large, deep, or spreading rapidly
- Your dog shows signs of fever, lethargy, or loss of appetite
- The hot spot is near sensitive areas like eyes or ears
A vet may prescribe:
- Antibiotics – topical or oral
- Anti-inflammatory medications to reduce swelling
- Allergy medications if histamine reactions are involved
- Medicated shampoos or wipes
Preventing Hot Spots
To reduce future occurrences, dog owners should:
- Regularly groom their pets and keep coats clean and dry
- Use preventative flea/tick treatments
- Manage allergies with vet help
- Keep bedding and surroundings clean and dry
- Provide mental stimulation and exercise to prevent boredom licking
- Dry their dog thoroughly after swimming or bathing
Prognosis
With timely and appropriate treatment, hot spots typically begin healing within 3–7 days. It's important to address the underlying cause to prevent recurrence. Monitor your dog’s behavior and coat condition regularly for early intervention.
Hot spots are uncomfortable but rarely life-threatening in healthy dogs. Quick, proper care ensures a fast recovery and spares your pet unnecessary discomfort.





