What is this lump on my dog's paw? Should I be worried? Is this an emergency? Pet's info: Dog | Dachshund | Male | neutered | 15 lbs

Hello, thank you for using PetCoach. This lump is most likely a histiocytoma. It is a benign tumor that is found frequently in young dogs. It will often regress on its own with no treatment within a couple of months but you can sometimes make it go away faster by giving Benadryl. Here is a link to an article about histiocytomas: ( https://vcahospitals.com/know-your-pet/skin-cutaneous-histiocytoma ) If it is not bothering him at this stage you can either do nothing and monitor it or you can give him the Benadryl and monitor it. If it doesn't go away within 6-8 weeks then have your vet check him out. Benadryl dose for a dog of Rip's size would be 2-3 of the 25mg capsules/tablets twice a day. Dogs take a much higher dose than people do so don't be alarmed at how large the dose is. You can use generic (diphenhydramine) which will work the same. ( https://www.1800petmeds.com/diphenhydramine+%28generic+benadryl%29-prod10834.html ) Of course, if you are worried there is no harm in having your vet check him out in person. Hope this helps. Best wishes.

Pets can get many types of lumps and bumps. Most of these tumors will be benign but some will be malignant and you can't tell by looks. Here is a helpful link discussing the various types of skin masses in general: https://www.petcoach.co/article/lumps-and-bumps-on-your-pet/ There is not a photo attached to this post so it's extremely hard to say. I recommend to have it checked out to be safe. The doctor may recommend to aspirate the mass to examine the cells under a microscope. That is one of the best ways to know what it is and if further action is needed. Hopefully it's nothing serious.

This may be an abscess, a cyst or a tumor. You should have it examined by your veterinarian, as it is not possible to distinguish these by just looking at a photo. An abscess can usually be treated with antibiotics and/or be lanced, and a cyst can be evacuated. To identify a tumor, your vet may want to do a fine needle aspirate (he takes some material from the bump with a needle and then looks at it under the microscope) to determine whether the mass is concerning.

What is this lump on my dog's paw? Should I be worried about it?

Updated On September 23rd, 2025

Pet's info: Dog | Dachshund | Male | neutered | 15 lbs

What is this lump on my dog's paw? Should I be worried? Is this an emergency?

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Answered By Dr. Melanie, BVSc MS 102

Veterinarian

Published on July 12th, 2019

This could be a cyst or a growth of some sorts. Any suspicious lumps should be examined by the vet. The vet can perform a test called a fine needle aspirate on it. To do this, the vet sticks a small needle into the lump to get a sample of its cells, and examines the cells on a slide under a microscope. It's usually painless to the animal, and relatively quick to perform. Once the cause of the lump is diagnosed, the vet can discuss treatment options if needed. It's not an emergency, but give Oscar's vet a call in the morning to make him an appointment. Best of luck.

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What is this lump on my dog's paw? Should I be worried about it?

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