Hot Spots (Acute Moist Dermatitis)

Hot spots are one of the most dramatic-looking skin problems in Golden Retrievers and one of the fastest. A dog can appear normal in the morning and have a red, wet, painful patch by evening. That speed is part of why families find them alarming. The good news is that hot spots are common, understandable, and usually manageable. The important caution is that they are painful, they spread quickly, and they often reflect an underlying trigger that still needs to be addressed. Documented

What a Hot Spot Is

Hot spot is the common name for acute moist dermatitis or pyotraumatic dermatitis. The lesion forms when the dog persistently licks, scratches, or chews at a small irritation until the skin barrier breaks down. Once that barrier is disrupted, moisture, inflammation, and bacterial overgrowth amplify the lesion rapidly.

The result is a patch that is often:

• red
• wet
• painful
• sharply demarcated
• foul smelling if advanced

Why Goldens Get Them So Often

Goldens are almost the archetypal hot-spot breed for practical reasons:

• dense double coat traps heat and moisture
• ears and skin disease often create local itch triggers
• swimming leaves damp coat close to the skin
• allergic dogs self-traumatize more easily

That does not mean hot spots are unique to Goldens. It does mean Goldens have the coat and itch pattern that make them very common candidates.

Common Triggers

Hot spots are usually downstream of something else. Common triggers include:

• environmental allergy
• flea bite irritation
• ear infections, especially around the head and neck
• retained moisture after swimming or bathing
• minor skin trauma
• anal-gland irritation

That is why the hot spot itself often needs treatment now while the real trigger needs thought afterward.

What Families Usually Notice

The lesion often seems to appear suddenly, but what families are really seeing is the point where the damage becomes visible through the coat.

Common early clues include:

• repeated scratching or licking at one area
• a patch of damp or matted fur
• sudden tenderness when touched
• a developing raw red plaque under the coat

By the time the lesion is obvious, the dog is often uncomfortable enough that home grooming or inspection is difficult.

Why They Spread So Fast

The itch-pain-moisture cycle is self-reinforcing:

• the dog irritates the area
• the skin gets inflamed and wet
• bacteria proliferate
• the dog feels more irritation
• more self-trauma occurs

In a dense Golden coat, this cycle accelerates because the surface does not dry easily.

Treatment Logic

Treatment generally revolves around:

• exposing the lesion by clipping surrounding coat
• cleaning and drying the surface
• controlling pain and itch
• treating infection when indicated
• identifying the trigger

The exact medication choice depends on lesion size, depth, pain, and whether a wider allergic or infectious problem is present.

This is one of the conditions where families often underestimate how helpful clipping is. A hot spot hidden under wet coat stays wet and inflamed.

Prevention

Hot-spot prevention is usually really trigger management:

• keep the coat dry after swimming
• stay ahead of allergies
• treat ear disease promptly
• use reliable flea control
• notice repeated scratching before the skin opens

For Goldens, coat care is not cosmetic. It is part of skin stewardship.

The Family Framing

Hot spots look awful, but they do not usually mean the dog is globally fragile or medically collapsing. They mean the dog has entered a rapid local skin-inflammation loop that needs to be interrupted.

This is useful emotionally because families often react in one of two unhelpful directions:

• panic, as if the whole dog is suddenly gravely ill
• underreaction, as if it is just a small rash that can be ignored

The right middle ground is faster than indifference but calmer than panic.

When to See a Veterinarian

Veterinary evaluation is warranted for:

• a rapidly enlarging wet skin lesion
• obvious pain when touching the area
• strong odor or discharge
• repeated recurrence
• multiple lesions
• fever or lethargy with skin disease

Same-day care is reasonable when the lesion is large, very painful, or progressing quickly despite initial basic care.

The Evidence

Sources

• Miller, W. H., Griffin, C. E., and Campbell, K. L. (2013). Muller and Kirk's Small Animal Dermatology.
• Scott, D. W., Miller, W. H., and Griffin, C. E. (2001). Small Animal Dermatology.
• Favrot, C., et al. (2010). Atopic-dermatitis diagnostic framework and recurrence context in dogs. Veterinary Dermatology.