

- What is dog acne?
- What causes dog acne?
- What dog acne looks like: symptoms to watch for
- Should I go to the emergency vet, or can this wait?
- How vets diagnose canine acne
- Treating dog acne: what your vet may recommend
- Preventing dog acne from coming back
- Does pet insurance cover dog acne treatment?
- Before we go
- Frequently Asked Questions
You’ve spotted some small red bumps, blackheads, or whiteheads on your dog’s chin or muzzle, and now you’re deep in a late-night Google spiral. Here’s the reassuring news: dog acne is incredibly common, especially in puppies and young dogs, and it often clears up on its own as your dog matures.
That said, not all dog pimples are created equal. Some cases stay mild. Others escalate into something that needs veterinary attention. Here’s how to tell the difference.
- Dog acne most commonly appears on the chin and muzzle of adolescent dogs between 5 and 12 months old, and often resolves on its own after puberty.
- It’s caused by a mix of hormonal shifts, clogged hair follicles, skin trauma, and genetics.
- Mild cases can be managed with dog-formulated benzoyl peroxide products or medicated shampoo. Secondary infections may need prescription antibiotics.
- Dog acne is not contagious to other pets or people.
- Watch for spreading swelling, pain, deeper lesions, or persistent scratching. These signal it’s time to call your vet.
What is dog acne?
Dog acne is an inflammatory skin condition that affects the hair follicles and surrounding skin on a dog’s chin, lips, and muzzle. You’ll typically see it as small red bumps, blackheads (clogged open pores), or whiteheads (clogged closed pores). In some cases, the bumps can fill with fluid and become more swollen or crusty.
It’s most common in puppies and young dogs going through adolescence, which is why it’s sometimes called adolescent dog acne. Most dogs grow out of it by about a year old, though some cases take a little longer. Short-coated breeds like Boxers, Great Danes, English Bulldogs, Rottweilers, and Dobermans tend to be more prone to it.
What causes dog acne?
There’s rarely just one culprit. Dog acne usually results from a combination of factors working together:
- Hormonal shifts: Just like in human teenagers, hormonal changes during puberty can trigger excess oil production in the skin, which clogs hair follicles and leads to breakouts.
- Clogged follicles: When a hair follicle gets blocked, it creates the perfect environment for bacteria to grow and inflammation to kick in.
- Skin trauma: Repeated rubbing of the chin on carpet or rough surfaces, chewing on toys, or self-grooming can cause micro-injuries that let bacteria in.
- Genetics: Some breeds are built with coarser, shorter hair and thicker skin around the muzzle, making them more susceptible.
- Dirty food and water bowls: Plastic bowls in particular can harbor bacteria and cause contact irritation, making existing acne worse.
What dog acne looks like: symptoms to watch for
Dog acne symptoms show up almost exclusively on the lower face: the chin, lips, and muzzle.
- Small red or pink bumps on the chin or around the lips: Usually the first thing you’ll notice. In mild cases your dog won’t seem bothered at all. This is a “keep an eye on it” situation, not an emergency.
- Blackheads or whiteheads on the muzzle: Classic acne presentation. If these are the only symptoms and your dog is between 5 and 12 months old, this is likely standard adolescent acne that may resolve on its own.
- Swollen or firm bumps that look like small blisters: Worth monitoring more closely. If swelling is increasing or spreading, move it up the priority list.
- Crusty or scabby patches: Happens after bumps have broken open. Keep the area clean and watch for signs of infection.
- Mild hair loss around the affected area: Common with more inflamed cases. On its own not urgent, but note it and mention it to your vet at your next visit.
- Your dog rubbing their face or scratching at their chin: A sign the area is uncomfortable. If this is persistent or your dog can’t seem to leave it alone, it’s worth a vet call sooner rather than later. Repeated trauma is how mild acne turns into something more serious.
Should I go to the emergency vet, or can this wait?
Monitor at home for now if:
- You’re seeing a few small bumps or blackheads on the chin of a young dog
- Your dog doesn’t seem bothered and the area looks stable
- There’s no swelling, discharge, or spreading
Book a regular vet appointment soon if:
- Bumps are increasing in number or size
- Your dog is persistently rubbing or scratching the area
- The skin looks crusty, scabby, or mildly inflamed
- The acne hasn’t improved after a few weeks
See a vet within 24 hours if:
- Swelling is spreading beyond the original bumps
- The area is visibly painful or your dog flinches when you touch it
- You’re seeing pus or discharge from the lesions
- Deeper, firm lumps are forming under the skin surface
Go to urgent care if:
- The area looks severely infected: significant swelling, heat, pus, and your dog seems systemically unwell (lethargic, not eating, feverish)
Dog acne isn’t an emergency in most cases, but when it gets repeatedly traumatized from scratching or rubbing, it can develop into folliculitis (a deeper infection of the hair follicles) that causes permanent scarring. Don’t wait too long if symptoms are escalating.
How vets diagnose canine acne
In most straightforward cases, your vet can diagnose dog acne just by looking at it. They’ll examine the chin and muzzle area and ask about your dog’s age, breed, and symptom history.
If the case is more complicated or not responding to treatment, your vet might recommend:
- A skin scraping: a small amount of surface skin is collected and examined under a microscope to rule out mites (like Demodex) or fungal infections that can look similar to acne
- A culture: a lab test where a sample from the affected skin is grown in a controlled environment to identify which bacteria are present, helping your vet choose the right antibiotic
- A biopsy: a tiny sample of skin tissue is removed and examined in a lab, usually only if the condition isn’t responding to standard treatment or something else is suspected
Treating dog acne: what your vet may recommend
Treatment depends on how mild or severe the acne is. For most adolescent dogs, the approach is gentle and straightforward.
Mild cases
- Benzoyl peroxide products formulated for dogs: Usually the first line of treatment. Benzoyl peroxide flushes out clogged follicles and has mild antibacterial properties. Always use a dog-specific formula, human benzoyl peroxide products are often too strong for the thinner skin on a dog’s chin and lips.
- Medicated shampoo for dogs: Gentle cleansing with a veterinary medicated shampoo containing benzoyl peroxide or chlorhexidine helps reduce bacteria on the skin surface and keeps pores clear.
- Switching to stainless steel or ceramic bowls: If plastic bowls are contributing to irritation, swapping them out can make a real difference.
More severe or infected cases
- Topical or oral antibiotics: If a secondary bacterial infection has developed, your vet may prescribe antibiotics to clear it. These should always be completed as directed, even if the skin looks better before the course is done.
- Topical steroids: In some cases, a short course of a topical anti-inflammatory may be used to reduce swelling and discomfort.
- An E-collar: If your dog keeps rubbing or scratching the affected area, a cone can prevent further trauma and give the skin a chance to heal properly, reducing the risk of scarring.
One important rule: don’t squeeze or pop your dog’s pimples. It feels satisfying, but it pushes bacteria deeper into the skin, worsens inflammation, and increases the chance of scarring.
Preventing dog acne from coming back
You can’t always stop acne from happening, especially when hormones are involved. But you can reduce how often and how severely it flares up:
- Keep your dog’s chin and muzzle clean and dry, especially after meals or outdoor play
- Use stainless steel or ceramic food and water bowls, and wash them regularly
- Avoid letting your dog rub their face repeatedly on rough surfaces
- Check the chin area regularly so you catch any new breakouts early
- Use only dog-safe skincare products if your vet recommends topical treatment
Does pet insurance cover dog acne treatment?
Dog acne is usually mild and affordable to treat. But if it escalates into a deeper infection or folliculitis, costs can add up quickly, especially if diagnostics, multiple appointments, or prescription medications are involved.
If your dog develops a skin condition like folliculitis after your Lemonade Pet policy is active, a base accident and illness policy may help cover eligible costs including vet visits, diagnostics, and prescription medications, as long as the condition isn’t pre-existing and develops after the 14-day illness waiting period has passed.
The key is having coverage in place before something comes up. Once a condition is diagnosed or shows symptoms, it may be considered pre-existing and excluded from coverage. That said, some curable conditions may regain eligibility after 12 months without symptoms or treatment. Your policy details are the best place to confirm what applies to your dog’s situation. If your dog is healthy right now, that’s the right time to look into a policy.
Before we go
Finding bumps on your dog’s face is never fun, but dog acne is one of the more manageable skin conditions your pup can go through. Most cases in adolescent dogs clear up with time and simple care. Keep the area clean, avoid squeezing anything, swap out plastic bowls if you haven’t already, and keep an eye out for the escalation signs that mean it’s time to loop in your vet.
Frequently Asked Questions
Are dog pimples contagious to other pets or people?
No, dog acne is not contagious. It’s caused by hormonal changes, clogged follicles, and skin trauma, not by a virus or parasite that can spread between animals or to humans.
Can I use human benzoyl peroxide on my dog?
It’s best to avoid human benzoyl peroxide products on dogs. They’re often formulated at concentrations that are too strong for dog skin and can cause irritation. Ask your vet for a dog-safe formula.
Will dog acne cause permanent scarring?
Mild acne that’s left alone usually heals without scarring. However, if your dog repeatedly scratches or rubs the area and develops folliculitis, there’s a higher risk of permanent skin changes or fur loss, which is why preventing self-trauma matters.
When should I take my dog to the vet for acne?
See your vet if the bumps are spreading, painful, filled with pus, or not improving after a couple of weeks. Also go in if your dog is scratching or rubbing the area enough to break the skin open.
Does dog acne go away on its own?
Often, yes. Adolescent dog acne frequently resolves on its own once a dog finishes puberty, usually around one to two years of age. Keeping the area clean and avoiding irritants can help speed things along.
A few quick words, because we <3 our lawyers: This post is general in nature, and any statement in it doesn’t alter the terms, conditions, exclusions, or limitations of the policies issued, which differ according to your state of residence. You’re encouraged to discuss your specific circumstances with your own professional advisors. The purpose of this post is merely to provide you with info and insights you can use to make such discussions more productive! Naturally, all comments by, or references to, third parties represent their own views, and Lemonade assumes no responsibility for them. Coverage may not be available in all states. Please note that statements about coverages, policy management, claims processes, Giveback, and customer support apply to policies underwritten by Lemonade Insurance Company or Metromile Insurance Company, a Lemonade company, sold by Lemonade Insurance Agency, LLC. The statements do not apply to policies underwritten by other carriers.