What Large Bumps on Dogs Can Mean

Large bumps on dogs are common and can be a concern to pet parents. A skin bump in dogs is also referred to as growth, mass, lump, or tumor. Sometimes large skin bumps are felt during routine grooming or petting at home or can also be found by groomers during bathing and grooming.

A large bump in a dog can be anything from a bruise, a benign mass, to a malignant tumor. We will give you some common causes for large bumps in dogs and provide suggestions to help you keep your dog healthy. The biggest concern of pet owners is that the large bump on a dog could be cancer.

Causes of Large Bumps on Dogs

What one person may consider large may be very different from another and may depend on the size of the dog. For example, a 3-inch mass on a 5-pound Chihuahua may be huge relative to the same mass on a 140-pound Mastiff dog. For the purpose of this article, a large bump on a dog is over a couple inches in size. There are many causes for smaller bumps.

Below are some possible causes for large bumps on dogs:

How to Determine the Cause of a Large Bumps on Dogs

If your dog has a large bump, the best way to help determine the underlying cause is to closely examine the bump. Many times shaving the hair around that area is a big help to allow you to examine the bump and surrounding area. This may be best done with the help of your veterinarian. Your veterinarian may perform the following:

Common causes of large bumps on dogs include:

Small Lumps on Dogs

Some dogs may have small lumps. Common small tumors include Mast Cell Tumor, Melanomas, and Histiocytomas. Learn more about What Small Bumps on Dogs Can Mean?

Additional causes of small lumps include:

Learn more about lumps that are pigmented with this article What Does a Black Lump on a Dog’s Skin Mean? Two additional articles that may be helpful are Skin Cancer in Dogs and Metastatic Neoplasia (Cancer) in Dogs.

We hope this article helps you better understand the causes of large bumps on dogs.

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