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7 Pictures of Dog Warts (Close-Up, Removal & Treatment)

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wart on the muzzle of a dog

Dog warts are single or cluster of tiny lumps, which can disappear after a few months. They are occasionally cancerous, but are most often benign.

Pictures of warts on dogs

vet showing a dog wart

Warts can show up as a single small lump, or as a group or cluster of tiny lumps which look a little bit like a cauliflower floret.

wart on a black dog

Older dogs tend to develop the single warts, whereas puppies are more prone to the multiple grouping, however either type of wart (papilloma) can develop on a dog of any age.

Benign warts usually don’t need any treatment unless they get infected, get in the way, or become irritated: dogs licking or scratching their warts may end up irritating them. Other damages can also be done by moving collars or harnesses.

Of course, you’ll want your vet to look at any new growth, lump, or bump on your senior dog just to make sure that it isn’t anything to worry about.

vet showing a wart up close

On this picture below, a veterinary surgeon ties off a wart on a dog with a thread – see our article on “Ways to Remove a Dog Wart“.

The two pictures below show a big wart on the muzzle of a dog before and after treatment:

before and after picture showing a dog wart removed

Does my dog have a wart or a skin tag?

Dog warts are also very similar to dog skin tags, as showcased on the image below. If you are not sure if your dog has a wart or a skin tag, read our article about the Differences Between Dog Warts & Skin Tags.

skin tag on dog

View More Pictures Of Dog Warts, Lumps and Bumps

pictures of dog tumors, cysts, lumps and warts

Are dog warts serious or benign?

Warts on dogs are most often benign and will often disappear of their own accord after a few months. Occasionally they can be, or become, cancerous so any wart that is a long-term issue, or that changes in color/size/look needs to be investigated by a vet.

Causes of warts on dogs

Canine warts are caused by a virus and are contagious from dog to dog, but luckily not from dog to human, or to cat. This virus tends to take hold best in dogs whose immune system is weak (which is why puppies and older dogs are especially at risk).

Dogs who have been on corticosteroids for any extended period are also more susceptible, as the steroids weaken the immune system. The same can be said for dogs who are suffering from chronic health problems.

Treating warts on dogs

Simple old dog lumps like benign warts usually don’t need any treatment unless they get infected, get in the way, or become irritated. This can happen if a dog licks or scratches at the wart, or it is in an area that’s rubbed by a collar or harness for example.


WATCH: 3 Important Tips To Care For an Old Dog [VET VIDEO]


Of course, you’ll want your vet to look at any new growth, lump, or bump on your senior dog just to make sure that it isn’t anything to worry about.

Once confirmed as a benign wart all you need to do is to keep an eye on it to make sure that it doesn’t grow, change, or become infected.

If a wart starts to bleed, grow, or looks more like an ulcer than a wart, it needs to be re-evaluated by your veterinarian as those changes could be signs of malignancy. Any wart that has a variegated color (ie dark/light areas) and is on his muzzle, lips or eyelids also needs to get a close look from your vet for the same reason.

If the wart, or warts, start to cause a problem for your dog and are uncomfortable or irritating to him, cryosurgery (freezing them off) is an option. But there is some discomfort related to that procedure and the stress of it can lower the immune system even more. You can read our article from Dr. Ochoa about how to remove dog warts (including an estimate of the costs).

Vitamin E Oil applied directly to the wart can sometimes cause it to shrink and eventually disappear.

Boosting your golden oldie’s immune system, making sure his diet is optimal, and treating any underlying health issues properly will all help his body to be stronger and healthier overall… and reduce his chances of getting warts and other old dog lumps such as lipomas too.

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Author

  • Dr. Winnie earned a Master in Biology from St Georges University, and graduated from the University of Pretoria's Veterinary School. She is a full-time Veterinarian specializing in internal medicine for companion animals.

Disclaimer: This website's content is not meant to be a substitute for veterinary care, diagnosis, or treatment. Always consult with your veterinarian to determine the best course of action. Read More.

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