- Home
- Dogs
- Pet Health
- Dog Pimples: An Expert Guide to Acne in Dogs
Dog Pimples: An Expert Guide to Acne in Dogs
Dog pimples often appear on the chin or lips, but similar bumps can have other causes. Learn what to avoid at home, when to see your vet and how treatment helps.

BVMS, MRCVS

Petful is reader supported. As an affiliate of platforms like Amazon and Chewy, we may earn a commission when you buy through links on this page. There is no extra cost to you.
Dog pimples, zits, acne, plukes, spots … call them what you like, but pimples are definitely a canine thing.
Dog acne usually affects the chin and lips, often in young, short-coated dogs. Hair-follicle injury and individual susceptibility matter; it is not simply the canine version of hormonal teenage acne. A bump elsewhere on the body may have a different cause.
Dog pimples around the chin and lips may be acne, but pictures alone cannot establish the cause. Do not pop, scrub or apply human acne products. Bleeding, painful swelling, spreading lesions or recurring bumps need veterinary assessment; treatment depends on the diagnosis.

Sign up for expert-backed reviews and safety alerts all in one place.
What Does Dog Acne Look Like?
Dog acne can look like small raised red bumps, blackheads or pustules around the chin and lips. A puppy with face pimples can look much like an adult with folliculitis. Severe inflammation may produce crusting, bleeding, swelling or draining lesions. Dark pigmentation, normal whisker follicles and a solitary lump can be mistaken for pimples.

Classic dog acne affects the dog’s muzzle, particularly the chin and lips.
Mild acne looks like raised red bumps on the skin. Be sure to look closely: Sometimes the bumps that whiskers grow from, which are perfectly normal, can be mistaken for acne spots.

A chlorhexidine pet shampoo is an option to discuss when the vet recommends that ingredient and confirms the full formula suits the dog. It is not a reason to start medicating an undiagnosed lump, and a general body shampoo may not be the best format for a small sore area beside the lips.
Petful may earn a commission when you click through to Chewy, at no extra cost to you.
What Is a Pustule on a Dog?
A pustule contains pus and may look like a whitehead; dogs can develop these pale-centered pimples. A papule is a solid raised bump. Neither term identifies the cause. A deeper lump may be a cyst, abscess or another growth, so do not squeeze it to find out.
Severe acne can cause soreness and swelling of the lips and muzzle. Rubbing may rupture lesions and turn them into bleeding wounds.
Bleeding, marked swelling, pain or repeated draining warrants veterinary attention. Severe inflammation can scar. Seek urgent care if swelling develops suddenly with breathing difficulty, or if skin lesions accompany significant illness.
| Location or pattern | Possible explanations | Useful next step |
|---|---|---|
| Chin and lips, especially a young short-coated dog | Acne or folliculitis; mites and other disorders can look similar | Photograph the change and arrange an exam if painful, persistent or recurrent. |
| Belly, back, groin, paws or tail | Superficial bacterial infection, parasites, allergy or other skin disease | Have the distribution assessed; do not assume facial-acne treatment fits. |
| One firm or growing lump, or a deep draining swelling | Cyst, abscess or another mass rather than a simple surface pimple | Ask the vet whether sampling is needed; do not pop it. |
| Around an eye or on the eyelid | Eyelid growths, inflammation or other eye-area disease can resemble a pimple | Do not use chin shampoo near the eye; seek prompt care for squinting, redness or discharge. |
| Genital skin, vulva or around the anus | Irritation, infection or a mass needs local examination | Do not squeeze genital or anal bumps; tell the vet about licking, pain or toileting changes. |
| Head or ear flap, in a puppy or adult dog | Pimple-like bumps may reflect skin infection, a bite, a cyst or another lesion | Ask for examination if persistent, growing or sore; do not put chin products in the ear. |
Owners sometimes describe spots on the stomach, a dog’s private parts or the bum as pimples. These locations need examination rather than a chin-acne assumption. In particular, a bump near the vulva, penis or anus may require assessment of nearby structures as well as the skin.

A stainless-steel bowl is easy to inspect and wash. A slow-feeder shape is useful only if the dog can reach food without pressing inflamed lips against ridges; for some sore muzzles a simple shallow bowl will be more comfortable.
Petful may earn a commission when you click through to Chewy, at no extra cost to you.
The clinical pictures here show facial or muzzle lesions. They are not a complete gallery of every cause of white bumps, blackheads or pustules on a dog’s body. Take your own photo in good light, with a size reference if practical, and record whether the spot grows, drains or returns. A photograph supports the consultation; it cannot replace examination or skin sampling.

Want a vet's take on your dog's skin or coat?
Talk to a licensed vet at Dutch over video, often the same day. They can recommend treatment and prescribe it when it's appropriate.
Use code Pets60
Plans start at $12/month · covers up to 5 pets
- Licensed vets in most states
- Rx for 150+ conditions
- 4.7 on Trustpilot
Can I Pop a Pimple on My Dog?
No, popping your dog’s pimples is not a good idea. Bursting a spot damages the skin, can worsen inflammation and may cause scarring. Resist the temptation to squeeze even a small whitehead.
How Your Vet Checks a Pimple-Like Bump
But, it needs to be said, seeing a veterinarian is important. Never assume the problem is simple dog acne, because the problem can be complex.
The vet may examine material from the skin under a microscope, check for Demodex mites, or recommend a fungal test, bacterial culture or biopsy when the appearance or response calls for it. Repeated “pimples” can be a sign that the original diagnosis or an underlying trigger needs another look.
Allergy, ringworm and Demodex mites can resemble or contribute to acne-like lesions. A correct diagnosis makes the difference between treatment working and repeatedly irritating the same skin.
Acne Disorders in Dogs
Young dogs commonly develop acne, although a dog of any age can have pimple-like skin lesions. New or persistent bumps in an adult dog deserve the same attention as a puppy’s sore chin.
Think of a bumbling puppy in that oh-so-cute 3- to 12-month age bracket: those are the dogs in which acne often first appears. Age is a clue, not a diagnosis.
The most common place for dog acne is on the muzzle and lips. Spots on the belly, back, tail or groin need their own assessment. A flat color change is different again; see the guide to hyperpigmentation in dogs for more on darkened skin.
Why Canine Acne Develops
What do dogs love to do? They investigate everything with their mouth, that’s what.
All that sniffing, chewing, rubbing and biting is hard work for an inquisitive muzzle.
Why does a dog keep getting pimples on the chin or around the mouth? Rubbing the muzzle against a hard surface can injure hairs and the follicles they grow from. This is one proposed mechanism for canine acne:

- If these hairs snap off below the skin surface, that sharp bristle causes the hair follicle to inflame.
- With the hair follicle damaged by inflammation, this gives bacteria an open invitation to invade. With lots of bacteria hanging around the broken hair shaft, this is the perfect recipe for dog acne to develop.
- If the spot gets big enough, it ruptures, which leads to a weeping sore. This is also itchy, which leads to a vicious circle of more rubbing, more broken hairs and more dog pimples.

If your dog already prefers flowing water, a washable stainless fountain can provide another drinking option. Clean every component according to its instructions, including the pump, and continue offering accessible water during treatment. A fountain does not treat acne.
Petful may earn a commission when you click through to Chewy, at no extra cost to you.
Breed Predisposition to Dog Pimples
Some short-coated dog breeds are more prone to pimples and chin acne. Commonly reported breeds include:
Breeds commonly associated with acne include:
- Boxers
- Doberman Pinschers
- English Bulldogs
- German Shorthaired Pointers
- Great Danes
- Weimaraners
- Mastiffs
Breed susceptibility suggests an inherited component, but acne is not inevitable. A Pug with bumps on the face or lip, or a Pitbull with pimple-like bumps, still needs a diagnosis rather than a breed-based assumption. Allergy, mites and infection can look similar.
It’s also interesting to note that most of these dogs are short coated. This fits with what we now know about broken hair shafts inflaming the follicles.
Dog Acne Treatments
To treat dog pimples, first establish the diagnosis and severity. Acne in a Pug, another puppy or an adult dog may respond to topical treatment and reducing trauma; deeper infection or severe inflammation may need additional medicines. Good hygiene supports that plan, but over-washing can worsen a sore chin.
| Finding | What the vet may consider |
|---|---|
| Localized superficial infection | A selected topical antimicrobial product and gentle cleansing. |
| Deep, extensive or recurring infection | Sampling or culture and systemic medicine when indicated. |
| Marked inflammation or repeated rubbing | Addressing the trigger and considering anti-inflammatory care with infection risk in mind. |

Vet care that's always there
Unlimited video calls and messaging with licensed vets for less than a typical vet visit. One membership covers up to five pets.
Use code Pets60
Plans start at $12/month · covers up to 5 pets
- Licensed vets in most states
- Rx for 150+ conditions
- 4.7 on Trustpilot
Follicle Flushing
Some veterinary topical treatments help clean affected follicles and reduce surface bacteria. The goal is gentle, directed care of inflamed skin, not scrubbing the follicles “sparkling clean.”
Ask which product, concentration, contact time and frequency are appropriate for your dog. A chin product must also be used carefully near the mouth and eyes; licking and irritation are practical concerns.
Choosing a Medicated Topical Product
What is a good dog acne shampoo? Your veterinarian may choose a canine benzoyl peroxide formulation or an antiseptic such as chlorhexidine, depending on the findings. Neither ingredient makes every product suitable for every lesion.
Do not substitute a human acne wash, spot cream or other household product. Formulas and concentrations can irritate skin, and products around the mouth may be licked. Follow the veterinarian’s product directions and contact the clinic if redness, pain or swelling worsens. Do not combine washes, wipes and creams without instructions.

Ask the veterinarian how to prevent rubbing when it is reopening lesions. A soft recovery collar helps only if it actually blocks the damaging behavior and its fabric does not touch or chafe the sore chin. Check that the dog can eat and drink; some dogs need a different collar design or supervised management.
Petful may earn a commission when you click through to Chewy, at no extra cost to you.
A chlorhexidine pet shampoo is an option to discuss when the vet recommends that ingredient and confirms the full formula suits the dog. It is not a reason to start medicating an undiagnosed lump, and a general body shampoo may not be the best format for a small sore area beside the lips.
Dog Acne and Antibiotics
Follow the prescribed duration and recheck schedule. Do not stop, extend or restart a course from leftovers without speaking to the veterinarian. Apparent surface improvement does not necessarily mean a deeper infection has resolved.
Dog Acne and Steroids
For marked inflammation or persistent scratching, a veterinarian may consider a steroid as a topical product, injection or tablets. The route depends on the individual problem.
The idea is to reduce the swelling and give the dog relief from the discomfort. By reducing the urge to itch, the dog is less likely to damage themselves, which allows things to settle down.
Steroids are not a home treatment for a red chin. They can affect infection and other conditions, so the clinician must weigh the benefits and risks and choose the route and duration.
How Long Do Dog Pimples Last?
How long dog pimples last depends on the diagnosis and depth of inflammation. Mild lesions may improve sooner, while substantial folliculitis or deep inflammation can require weeks of treatment and rechecks. There is no guaranteed timeline from appearance alone.
Ask when improvement should be visible and when to return if it is not. A spot that persists, enlarges, bleeds or repeatedly returns should be reassessed rather than repeatedly treated as the same uncomplicated pimple.
Daily hygiene can reduce avoidable irritation while the prescribed plan takes effect. It should be simple and gentle.
How to Care for Dog Acne at Home
Trying to get rid of dog pimples naturally should not mean putting vinegar or herbs on a sore chin. Start with gentle cleanliness and the veterinary diagnosis.
If the chin is dirty after eating or digging, gently wipe it with a clean cloth dampened with plain water, then pat it dry if tolerated. Avoid rubbing raw skin or repeatedly handling a painful muzzle. Your veterinarian may give different cleaning instructions for open or draining lesions. This simple damp-cloth routine supports gentle cleaning without vinegar recipes.

Wash food and water bowls regularly and rinse away detergent. Choose a smooth, easy-to-clean surface and a shape that lets the dog eat without scraping a sore chin. Wash washable toys and bedding, and reduce rough chin rubbing where practical. Hygiene is supportive care, not proof that the dog was “dirty” or a guarantee against recurrence.
A stainless-steel bowl is easy to inspect and wash. A slow-feeder shape is useful only if the dog can reach food without pressing inflamed lips against ridges; for some sore muzzles a simple shallow bowl will be more comfortable.
Water Access and Preventing Rubbing
If your dog already prefers flowing water, a washable stainless fountain can provide another drinking option. Clean every component according to its instructions, including the pump, and continue offering accessible water during treatment. A fountain does not treat acne.
Ask the veterinarian how to prevent rubbing when it is reopening lesions. A soft recovery collar helps only if it actually blocks the damaging behavior and its fabric does not touch or chafe the sore chin. Check that the dog can eat and drink; some dogs need a different collar design or supervised management.
Home Remedies to Avoid
Do not pop whiteheads, lance a lump or pull hairs from an inflamed area. Avoid vinegar, alcohol, essential oils and human acne creams on a sore muzzle. “Natural” does not establish safety or effectiveness, especially near the mouth and eyes.
Coconut oil, aloe, tea and herbal tinctures are not established substitutes for diagnosed canine-acne treatment. An oily coating can complicate skin care, and a dog may lick anything applied. Before adding a home remedy, tell the veterinarian exactly what is in it; keeping the routine simple makes irritation or treatment failure easier to recognize.
Final Thoughts on Dog Pimples
Get a spotty pup checked out by the vet. Fingers crossed it’s just a matter of using a medicated wash, but sometimes antibiotics are necessary.
But whatever you do, do not start popping your dog's pimples , that can lead to scar tissue.
Frequently Asked Questions
Ask the veterinarian to prescribe or recommend an ointment only after identifying the cause. The product must suit the location and account for what a dog may lick. A random antibiotic, steroid or human spot cream may be inappropriate.
An antihistamine is not an acne treatment and does not identify the cause of bumps. Ask your veterinarian before giving it. Sudden swelling or breathing difficulty needs urgent assessment rather than waiting for an antihistamine.
Do not apply a human acne cream or other human medicated product unless the veterinarian selects the exact formula and concentration. Ingredients that suit human skin may irritate a dog’s skin or be swallowed through licking.
Coconut oil is not established as a treatment for canine acne. Oily residue can complicate cleaning; keep home care simple and follow the diagnosis-specific veterinary plan.
Vinegar is not a substitute for veterinary treatment and can irritate inflamed or broken skin. Skip vinegar recipes and follow the gentle cleaning routine your veterinarian recommends.
References
- Barnette, Catherine, DVM. "Acne in Dogs." VCA Hospitals. 2017. https://vcahospitals.com/know-your-pet/acne-in-dogs.
- Spiegel, Ian B., VMD, MHS, DACVD. "Just Ask the Expert: How Do You Manage Canine Chin Acne?" dvm360. Feb. 1, 2011. http://veterinarymedicine.dvm360.com/just-ask-expert-how-do-you-manage-canine-chin-acne.
- Moriello, Karen A., DVM, DACVD. "Overview of Pyoderma." Merck Veterinary Manual. https://www.msdvetmanual.com/integumentary-system/pyoderma/overview-of-pyoderma.
University of Illinois College of Veterinary Medicine: Acne in Dogs and Cats.

BVMS, MRCVS
Dr. Pippa Elliott, BVMS, MRCVS, is a veterinarian with nearly 30 years of experience in companion animal practice. Dr. Elliott earned her Bachelor of Veterinary Medicine and Surgery from the University of Glasgow. She was also designated a Member of the Royal College of Veterinary Surgeons. Married with 2 grown-up kids, Dr. Elliott has a naughty Puggle named Poggle, 3 cats and a bearded dragon.

Sign up for expert-backed reviews and safety alerts all in one place.


