One minute your dog is fine. The next, you're parting their coat and finding a wet, red, angry patch of skin that wasn't there this morning. Welcome to the world of hot spots — one of the fastest-moving skin problems in dogs, and one of the most frustrating, because every lick and scratch makes it worse.
The good news: most hot spots are treatable, and many are preventable. The catch is that a few common household instincts — reaching for Neosporin, covering it with a bandage, hoping it heals on its own — can make a small problem dramatically worse. This guide walks through what hot spots actually are, how to treat them safely at home, when to escalate to your vet, and how to break the lick cycle.
What are hot spots, exactly?
The clinical name is acute moist pyotraumatic dermatitis. That's a long way of saying: a self-inflicted, rapidly spreading skin infection caused by your dog's own licking, scratching, or chewing of an irritated area. Bacteria already living on the skin (usually Staphylococcus) bloom in the warm, wet environment the dog creates, and the area becomes inflamed, painful, and weepy within hours.
Hot spots can be triggered by almost anything that initially irritates the skin:
- Fleas, mites, or other parasites
- Allergies (environmental, food, contact, flea)
- Trapped moisture (after swimming, after a bath that didn't dry fully)
- Matted hair holding moisture against the skin
- Anxiety-driven excessive licking
- Boredom-driven excessive licking
- Anal gland issues
- Ear infections (cause head shaking and scratching)
- Joint pain in older dogs (lead to repetitive licking)
Once the licking starts, the trigger almost stops mattering — the lick cycle itself is now the problem.
How to recognize a hot spot
- Red, inflamed patch of skin (often round or oval)
- Wet, weepy, oozing surface — sometimes with pus
- Hair loss around the area (matted, falling out, or licked off)
- The skin is hot to the touch
- Bad smell from the area
- Your dog is fixated on licking, chewing, or scratching that spot
- The patch is growing visibly (can double in size in hours)
Hot spots can appear anywhere, but common locations are: behind the ears, neck, hips, base of the tail, and inner thighs. Heavy-coated breeds (Goldens, Labs, GSDs, Saint Bernards) are most prone.
How to treat a hot spot at home
Mild, small (under the size of a quarter), newly-formed hot spots can often be managed at home. Anything larger, deeper, or that doesn't improve within 24–48 hours needs a vet.
Step 1: Clip the hair around the spot
Carefully clip the hair around the lesion with dog clippers (never scissors — too easy to cut the skin). Removing the hair lets the area dry out and lets you see the size and spread.
Step 2: Clean gently
Use a mild, dog-safe cleanser — chlorhexidine 2–4% solution diluted to a light blue color, or a vet-recommended antibacterial cleanser. Pat dry with a clean cloth. Skip alcohol, hydrogen peroxide, and human antibiotic creams.
Step 3: Apply a vet-approved topical
Aloe vera gel (100% pure, no additives), colloidal silver, or a vet-prescribed topical can help. Apply sparingly so the area stays dry.
Step 4: Break the lick cycle
This is the most important step. If you don't stop the licking, nothing else matters. Options:
- Cone (e-collar) — the most reliable but most miserable
- Recovery suit or onesie — covers the spot with a soft fabric barrier
- Inflatable collar — works if the spot is on the head or upper neck
- Bitter spray on the surrounding area — limited reliability
The Shed Defender Sport Onesie
A soft fabric barrier in our Shed-Tex blend. Covers hot spots on the body, breathable so the skin can heal, and far more comfortable than a cone. Always pair with vet guidance.
Shop the Sport Onesie →What NOT to do
When to see the vet
- The spot is larger than a quarter, or has spread significantly
- Visible pus or yellow discharge
- The spot is deep, with raw or open tissue
- Your dog has a fever, is lethargic, or is off food
- The spot is on the face, near the eyes, or in a sensitive location
- Recurring hot spots (more than 1–2 a year) — you need to address the underlying trigger
- Home treatment isn't improving things within 24–48 hours
Your vet will likely prescribe oral or topical antibiotics, sometimes a short course of steroids to reduce inflammation, and a barrier (cone or recovery suit) to break the lick cycle.
How to prevent hot spots from coming back
Recurrent hot spots are a sign of an underlying issue. Common causes and prevention:
- Allergies: Year-round flea prevention. Allergy testing for environmental or food triggers. Consider a skin health protocol.
- Moisture issues: Dry your dog thoroughly after swimming or baths. Pay attention to ears, neck folds, and underarms.
- Coat care: Regular brushing to prevent mats. For heavy-coated breeds, summer trims (not shaves) for ventilation.
- Boredom / anxiety: If licking is stress-driven, address the stress — see our anxious dog owner's guide.
- Diet: Omega-3 supplementation supports skin barrier function. Talk to your vet about food sensitivities.
Frequently asked questions
How fast can a hot spot grow?
Hours. A small irritation can become a quarter-sized lesion in a single afternoon if the dog has access to lick it. This is why breaking the lick cycle matters so much.
Can I use coconut oil on a hot spot?
Some owners and vets recommend it for mild cases, but it's licked off easily and can add moisture (which is the opposite of what a hot spot needs). Aloe vera is usually a better topical for home use.
Are some breeds more prone to hot spots?
Yes. Heavy double-coated breeds top the list: Golden Retrievers, Labradors, German Shepherds, Saint Bernards, Newfoundlands, Bernese Mountain Dogs. Their thick coats trap moisture and warmth, the perfect bacterial environment.
Will the hair grow back?
Yes, once the spot fully heals — typically 4–8 weeks. Sometimes the new hair grows in slightly different in color or texture, especially in dark-coated dogs.
Can the Recovery Onesie be used instead of a cone for hot spots?
Yes, for hot spots on the body. The Recovery Onesie or Sport Onesie acts as a soft fabric barrier over the skin. Always pair with vet guidance — the onesie is a barrier, not a treatment.
The Shed Defender Sport Onesie is a soft protective barrier for covered areas. It can break the lick cycle that keeps hot spots inflamed. Always consult your veterinarian for hot spots, skin conditions, or recurring issues — we're a containment garment, not a medical treatment.
A soft barrier for hot spots and skin issues
The Sport Onesie covers hot spots on the body without the misery of a cone. Breathable Shed-Tex fabric — always pair with vet guidance for recovery and skin conditions.
Shop the Sport Onesie →Where to go next
- The anxious dog owner's guide →
- Are dog onesies safe? →
- Dog recovery after surgery →
- The complete guide to dog shedding →
