How Long Does a Hotspot Last on a Dog?
A hotspot, medically known as acute moist dermatitis, is a rapidly developing, inflamed skin lesion commonly affecting dogs of various breeds. These red, moist, and painful patches can emerge swiftly—often within a few hours—and may deteriorate just as fast if not addressed promptly.
Understanding Hotspots
Hotspots are the result of self-inflicted trauma when dogs excessively lick, chew, or scratch an irritated area. This behavior compromises the skin's barrier function, allowing normal skin bacteria to proliferate and trigger intense inflammation and infection. Common triggers include:
- Allergies such as flea, environmental, or food
- Moisture trapped in the fur post-bathing or swimming
- Parasite bites from fleas, mites, or mosquitoes
- Skin infections from bacteria or yeast
- Ear infections, typically in dogs that swim or have floppy ears
- Matting or poor grooming practices
- Behavioral factors like anxiety or boredom
- Orthopedic pain leading dogs to lick joints
- Dirty coats or irritant contact
These lesions are usually localized and separated from healthy skin. Depending on severity, they can range from small red patches to large, oozing wounds.
Signs and Symptoms
Common characteristics include:
- Moist, red, inflamed skin
- Hair loss over the lesion
- Presence of pus or crusty discharge
- Strong odor indicating infection
- Pain, itching, and visible discomfort
- Lesions typically located on the head, neck, hips, or limbs
Hotspots may appear more frequently in dogs with thick, long, or double coats, such as Golden Retrievers, Labrador Retrievers, and German Shepherds. Warm and humid environments can also contribute to their development.
Duration and Healing Timeline
When treated promptly and properly, hotspots generally start to improve within 3–7 days. However, several factors can influence the healing timeline:
- Size and severity: Larger or deeper lesions take longer to heal
- Underlying cause: Recurrence is likely if not addressed
- Timeliness of treatment: Early care reduces healing time
- Dog’s overall health: Immunocompromised dogs may heal more slowly
Hair regrowth around the affected area may take two weeks or more, depending on fur length, grooming, and treatment compliance.
Treatment and Home Care
Veterinary care should be the first step when managing a hotspot. The typical treatment protocol includes:
- Identifying and treating the underlying cause (e.g., allergies or parasites)
- Cleaning the lesion with warm water and antiseptics like chlorhexidine
- Shaving or clipping fur around the hotspot to keep the area dry
- Applying prescribed medications, such as antibiotics or anti-inflammatories
- Using an Elizabethan collar (E-collar) to prevent further licking or chewing
For mild lesions, home care under veterinary advice can be effective. Never apply human creams or irritants to a dog's skin, as these can worsen the condition.
When to See a Vet
If your dog’s hotspot:
- Is large or worsening
- Shows signs of infection (odor, pus, fever)
- Doesn’t improve within 2–3 days
- Is near sensitive areas like the eyes or throat
...professional veterinary evaluation is necessary.
Prevention Strategies
To minimize future occurrences, consider the following tips:
- Regular grooming and mat removal
- Thoroughly drying the coat after bathing or swimming
- Flea and parasite control year-round
- Managing allergies through vet-prescribed treatments or diets
- Behavioral outlets to avoid stress- or boredom-induced licking
- Clean bedding washed with hypoallergenic detergents
Are Hotspots Contagious?
Hotspots themselves are not contagious, but the causes—like fleas—might spread to other pets. If multiple animals show symptoms, consult a veterinarian for diagnosis and treatment.
Prognosis
The prognosis is generally very good. Prompt and adequate treatment leads to fast recovery with minimal complications. Left untreated, however, hotspots can lead to deeper infections requiring more intensive care.
Conclusion
Hotspots on dogs are a common but treatable issue. With early intervention, most will heal within a week, ensuring your pet returns to comfort soon. Addressing the root cause and preventing self-trauma are essential for sustained skin health.





