We recently treated a dog named Max, whose person had noticed that he was drooling more than usual. Max was also sensitive to pets on his face, and his breath was worse than normal. After some diagnostic tests, we confirmed that Max was suffering from an oral tumor.
These growths can develop anywhere in the gums, the tongue, and even the jawbone. Unfortunately, they often go unnoticed until they begin to interfere with eating or cause obvious discomfort. Fortunately for Max, his person noticed that something was wrong, and we were able to remove the tumor successfully.
Being able to recognize the warning signs can make a major difference in your pet’s health and quality of life. The sooner we can provide treatment, the less invasive the procedure will be. Here’s how to give your pet the best chance at recovery.
What Are the Signs of Oral Cancer in Dogs and Cats?
If your dog suddenly starts drooling more than usual or your cat avoids their favorite treats, it might be more than picky behavior. It could be an early warning sign.
Recognizing the signs of oral tumors in pets can be challenging. Subtle changes in your pet’s eating habits or behavior might mean that something more serious is happening. Because these symptoms can mimic other dental problems, it’s important to have your pet examined promptly.
Watch out for these common warning signs:
- Bad breath (halitosis): Persistent foul odor may result from tissue decay or infection caused by tumor growth.
- Drooling or excessive saliva: Tumors can irritate the mouth or block swallowing, leading to constant drooling or blood-tinged saliva.
- Difficulty eating or chewing: Pets may drop food, chew only on one side of their mouths, or avoid hard kibble because of the pain.
- Bleeding from the mouth: Unexplained bleeding, especially when unrelated to dental disease, can indicate a tumor.
- Visible lumps or swelling: Masses may form on the gums, tongue, or jawline. Swelling around the muzzle can signal a deeper tumor.
- Loose or missing teeth: Tumor growth in the jawbone or gums weakens the support structures, and your dog could lose a tooth.
- Reluctance to play or chew toys: Your pet might be avoiding their favorite toys because it’s too painful to play.
What Is the Difference Between Benign and Malignant Oral Tumors in Pets?
Benign tumors in pets are non-cancerous and do not spread to other parts of the body. However, they can still cause pain, interfere with eating, or push teeth out of place. One of the most common benign growths in dogs, for example, is an epulis, a lump that forms along the gumline that must be surgically removed.
Malignant tumors in pets, on the other hand, are cancerous. They can invade nearby tissues or spread (metastasize) to organs such as the lungs or lymph nodes. Common types include melanoma, squamous cell carcinoma, and fibrosarcoma. These cancers progress quickly and may require more aggressive treatments, such as surgery followed by radiation or chemotherapy.
Because malignant and benign tumors can appear similar in their early stages, veterinary exams and biopsies are critical for an accurate diagnosis. Early detection offers the best prognosis for your pet’s full recovery.
How Do Veterinarians Treat Oral Tumors in Pets?
Treatment will depend on the size of the tumor, its location, and whether it is benign or malignant. After diagnostic imaging and biopsy results, your veterinarian will recommend the best approach for your pet’s situation.
Common treatment options include:
- Surgical removal is the most effective treatment in many cases. Surgically removing the tumor and nearby tissue helps to prevent regrowth.
- Radiation therapy is used when full surgical removal isn’t possible or to manage malignant tumors.
- Chemotherapy can be used alongside other treatments to target cancer cells and stop their spread.
- Cryotherapy and laser therapy are minimally invasive treatments that destroy smaller or surface-level tumors.
- Pain management and supportive care, like medications and nutrition adjustments, can help maintain your pet’s comfort during recovery.
- Regular follow-up exams will ensure that any recurrence or complication can be dealt with promptly.
With timely intervention and proper care, we can restore quality of life for most pets with oral tumors. However, treatment can become costly, especially when surgery or ongoing therapy is required. Setting aside a pet emergency fund or maintaining pet insurance coverage can help ease your financial burden and help you get your pet the care they need without delay.
Early Action Saves Lives! Schedule Your Pet’s Exam Today
If you notice that there’s something “off” about your pet, please give us a call. Changes in behavior, like excessive drooling or a reluctance to eat their kibble, could be signs of an oral tumor. Whether the tumor is benign or malignant, we’ll do everything we can to restore your pet’s health and comfort.
Images used under creative commons license – commercial use (12/03/2025) Photo by Felice Wölke on Unsplash