Bump on Lower Lip of Cat: Causes and Solutions by Vet
A bump or nodule on the lower lip of a cat has many potential causes including cancer.
The cat’s lower lip bump must be checked immediately to rule out a serious cause.
It’s very important to routinely check your cat’s body for any new bumps, sores, lesions or anything that doesn’t seem to belong there.
What sometimes appears is a bump or nodule on a cat’s lower lip. What can this be?
“As a small-animal veterinarian, I commonly see skin conditions in cats which may present as scabbing, hair loss and masses (or bumps),” says Dr. Alison Streit, DVM, with Victoria Park Animal Hospital in Ft. Lauderdale, FL.
“Cats will sometimes present with a bump on their lower lip, which seems to be an unusual place to pop up.
“First and foremost, I always recommend a thorough evaluation by your veterinarian when any bumps or masses arise.
“Cancer needs to be the number one diagnosis that we rule out.”
There are different types of cancer that can form bumps, nodules or lesions on a cat’s body, and the lower lip is not exempt from the location of these masses.
Dr. Streit continues, “Once cancer has been ruled out by your veterinarian, there are some other causes that are unique to cats that can cause a bump on the lower lip.
“Sometimes cats develop what are called rodent ulcers, a collection of inflammatory cells that create a bump or sometimes ulcer-like appearance on the lip.
“Many times, ‘rodent ulcers’ are caused by allergies such as an allergy to plastic feeding bowls.
“It is important to work with your veterinarian to treat the inflammation, but also to try and discover the allergen causing the inflammation.”
When in doubt, have it checked out, when it comes to the health of your cat or kitten.
Dr. Streit urges, “If you have any questions or concerns, you should always visit or call your veterinarian.
“They are your best resource to ensure the health and well-being of your pets.”
Specific Conditions that Can Cause a Bump on Your Cat’s Lower Lip
- Squamous Cell Carcinoma. This is one of the most common forms of oral cancer in cats and can appear as a raised, ulcerated mass on the lip or inside the mouth.
- Fibrosarcoma. Another type of cancer that can form as a mass or nodule, fibrosarcomas are often slow-growing but can spread locally. They may feel firm to the touch and can be located in soft tissues including the lips.
- Melanoma. Melanoma cancer can appear as dark, pigmented growths. These are rarer but can still develop in the mouth or on the lips.
- Mast Cell Tumors. These can sometimes form lumps under the skin and may appear on the lips.
- Benign Growths. Not all masses are cancerous. Some benign growths, such as lipomas or cysts, may form on a cat’s lower lip.
Since being old enough to barely speak, Dr. Streit knew that she wanted to be a veterinarian. “I know pets are our family and nothing brings me more joy than to help pets and their parents with wellness and healthy living.”
Lorra Garrick has been covering medical, fitness and cybersecurity topics for many years, having written thousands of articles for print magazines and websites, including as a ghostwriter. She’s also a former ACE-certified personal trainer.
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Have you been thinking about doing a split squat with a barbell across your back?
You’ve probably seen people doing the split squat with dumbbells. This exercise is as much a favorite among women as it is men.
You can also do this with a barbell across your back — either a free barbell or with a tracked barbell device.
Get familiar with this movement by first using dumbbells.

Shutterstock/Artsplav
Having the back leg elevated is fine. Once you’re comfortable with the dumbbell version, you’re ready for a barbell.
However, start with a light barbell, even if you’re using a track machine (“Smith” machine). A light barbell will expedite your ability to refine your form early on.
As to how far apart your feet should be, in terms of one behind you and one ahead of you, this boils down to personal preference.
However, there IS a such thing as the back foot being too close to the forefoot, which would put more stress on the knee joint.
A good rule of thumb is that the back foot should be far enough behind you so that your leg is actually extended behind you (hip extension), yet at the same time, you can feel the quads, butt and hamstrings working.
Another point of consideration is your back position. It should be upright, with an arch in the lower part.
Your back should not be rounded or hunched. This is easier to prevent with a tracked barbell.
If you can’t help but lean forward when using a free barbell, then see what happens when you use a lighter barbell.
You may have to adjust foot position to find a way to prevent leaning forward. Keep in mind that the more your back leg is extended behind you, the more difficult it may be to keep an upright back.
Taking yoga classes will help immensely with loosening up a stiff lower back.
Sets and Reps
Aim for eight to 12 repetitions each side for three to five sets to get in a good lower body workout.
Lorra Garrick is a former personal trainer certified through the American Council on Exercise. At Bally Total Fitness she trained women and men of all ages for fat loss, muscle building, fitness and improved health.
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Top image: Freepik.com/pressfoto
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