A pimple-like bump with pus on a dog is most commonly a sign of pyoderma (a bacterial infection of the skin or hair follicles) or an abscess (a pocket of pus under the skin). These lesions, which may be red, itchy, or painful, often result from allergies, parasites, bug bites, or trauma. Immediate veterinary evaluation is recommended, especially if the bump is painful, growing, or spreading.

What is this pus-filled bump on my dog?

Pyoderma literally means “pus in the skin.” It can be caused by infection, inflammation, or cancer and is common in dogs. Most cases of pyoderma are caused by bacterial infections. Most of these are superficial and secondary to a variety of other conditions, such as allergies or parasites.

Should you squeeze a sebaceous cyst on a dog?

Cysts are hollow, non-cancerous growths that can appear under the skin and often contain a thick grey or yellowish discharge. Do not attempt to pop or squeeze a cyst. This can cause more irritation and infection, leading to more discomfort for your dog. Talk to a vet for advice if your dog develops a new lump.

What does pyoderma look like on a dog?

Pyoderma on a dog looks like red, itchy skin with signs of bacterial infection, including pustules (pus-filled pimples), crusts (scabs), redness (erythema), hair loss, flaky patches, and sometimes a foul odor or discharge, often appearing in skin folds, armpits, groin, or around hair follicles. You might see circular lesions, sometimes mistaken for ringworm, and the skin can become sore, swollen, or ooze, especially in moist areas or hot spots. 

Why does my dog have something that looks like a pimple?

Dogs can get pimples (opens in a new window) from dirt, oil, and debris accumulating on their skin. Some common symptoms of acne in dogs include redness, swelling, pustules, and cysts. Your veterinarian can give your pup topical creams or shampoos to help decrease inflammation and clear up the pimples.

How To Get Rid of a Dog Cyst Naturally

Should I be worried if my dog has a pimple?

In most cases, dog acne is not a cause for major concern. It is a common condition, particularly in younger dogs, and usually resolves on its own. However, if the acne persists or if you notice other symptoms like excessive scratching, swelling, or discomfort, it's a good idea to contact us for an evaluation.

What does a staph infection look like on a dog?

In dogs, Staph infections can look like red bumps/pimples (papules) or pus-filled (pustules), or round areas with a red or dark center and red crusty border. Hair loss occurs and sometimes the hair comes out in clusters resembling a paint brush.

What happens if pyoderma is left untreated in dogs?

How serious is pyoderma in dogs? The severity of pyoderma can range from mild to life-threatening. Superficial pyoderma is typically less serious than deep pyoderma and is more easily treatable. However, any pyoderma that is left untreated can lead to serious complications, such as cellulitis and systemic infection.

What does bacterial folliculitis look like in dogs?

Bacterial folliculitis in dogs looks like red bumps, pimples (pustules), and scabs, often with hair loss and crusts, especially on bellies or thighs, appearing as "moth-eaten" patches in short-haired dogs or a dull coat in long-haired ones, with intense itching or licking being common signs of this common bacterial skin infection, also known as superficial pyoderma. 

What dog breeds are prone to sebaceous cysts?

They're common in middle-aged and older dogs. Some breeds, including Schnauzers, Yorkshire Terriers, Cocker Spaniels, Huskies, Samoyeds and Alaskan Malamutes are prone to sebaceous cysts.

What to do if a sebaceous cyst bursts on a dog?

Sebaceous cyst removal via surgery is the most effective type of treatment. This is especially the case if the cyst has ruptured or has become infected. The cyst can be cut out using an incision or removed via a surgical laser. Most veterinary dermatology specialists are able to remove cysts with a laser.

Can I squeeze my dog's cyst?

It's very important that you do not manually squeeze a cyst in an attempt to burst or drain it, as the contents could leak down into the tissue and lead to further inflammation or infection. In short, you'll do more harm than good.

What are the first signs of Cushing's disease in dogs?

Signs of Cushing's Disease

• increased thirst.
• increased urination.
• increased appetite.
• reduced activity.
• excessive panting.
• thin or fragile skin.
• hair loss.
• recurrent skin infections.

How did my dog get pyoderma?

What causes pyoderma in dogs? Bacterial skin infection occurs when the skin's surface has been broken, the skin has become injured due to chronic exposure to moisture, the normal skin bacteria have been altered or changed, the blood flow to the skin has become impaired, or the immune system has been suppressed.

What dog breeds get pyoderma?

Skin fold pyoderma occurs in breeds that have folds of skin where moisture and heat can get trapped. Some breeds of dog such as Sharpeis and Pugs have more folds than others and are therefore at greater risk.

Is pyoderma in dogs contagious to humans?

So in most cases, pyoderma is not contagious to other dogs and humans. However, infections like methicillin-resistant Staphylococcus pseudintermedius or MRSP (i.e. the dog version of MRSA or methicillin-resistant Staphylococcus aureus in humans) can technically be shared between dogs, cats, and humans.

How can you tell if a bump is a staph infection?

Symptoms of a staph skin infection can include: a painful red lump or bump (a boil, carbuncle or abscess) hot, red and swollen skin (cellulitis)

What is a raised pimple like bump on a dog?

A sebaceous cyst is essentially a big pimple on your pet's skin. These bumps are clogged oil glands in the skin that are harmless to your pet, although they can become inflamed and sore if they rupture. Typically, a sebaceous cyst is a small, raised bump, which can burst.

How long can a dog pimple last?

How Long Does Dog Acne Last? The severity of the acne and the cause will determine how long it will last. Most mild to moderate cases should clear within 10 to 14 days when treated. However, some dogs may have reoccurring infections that can last several weeks or months.

What dog breeds are prone to pimples?

Short-haired dog breeds like Doberman Pinschers, German Shepherds, Great Danes, Boxers, Rottweilers, and Mastiffs are more prone to acne. However, other breeds of dogs can also be affected, but the incidence is quite lower compared to their short-haired counterparts.

---