Dog Cancer Knowledge Base

These knowledge base articles are the core of Every article is carefully vetted. Each one is researched, written, and medically reviewed by at least four independent experts (veterinarians, cancer researchers, and science journalists. The result is organized, easy-to-understand explanations of everything relating to dog cancer. Whether you need to find out more about a prescription drug, a supplement, a food, or a medical procedure, these knowledgebase articles will give you medically sound, nuanced, and complete information. We update articles regularly, so you can always rely on the information you find.

Latest Articles

Rejoice! Eating liver for dogs can be healthy and delicious, in moderation.

Liver for Dogs

Liver is one of the most nutritionally dense foods. It contains protein, iron, and important vitamins, which makes it supportive for anemia and bone health. It is inexpensive, easy to find, and is available in... read full article

A dog not eating is cause for concern, but it may not be an emergency.

Dog Not Eating

While many dogs with cancer will experience a lack of appetite at some point during the course of their disease, there are many medications, special diets, and lifestyle changes that can help address your dog... read full article

Giving your pup with dog cancer treats might seem like a bad idea -- but there are many healthy treats your dog will enjoy!

Dog Cancer Treats: Delicious and Nutritious

All dog lovers should be mindful of what they feed their dogs, but canine companions with cancer have some additional nutritional considerations. Nevertheless, dogs with cancer shouldn’t be deprived of all their favorite treats! In... read full article

Massage for Dogs

Massage has been used for millennia in many countries and cultures, and many people enjoy its wellness benefits today. Massage for dogs is an excellent way to help your dog relax. read full article

Is duck good for dogs? Yes, as part of a complete and balanced diet!

Is Duck Good for Dogs?

Duck is a tasty high-protein poultry that’s low in unhealthy fats and great for dogs with allergies. It's packed with nutrients known to have anticancer properties, including omega-3 fatty acids, selenium, and B vitamins. read full article

If your dog has Kidney disease dog cancer diet guidelines might seem confusing. It's easier than it seems to balance the two.

Kidney-Friendly Diet Advice for Dogs with Cancer

You can feed your dog a diet that his kidneys love and his cancer hates! read full article

Can Dogs Eat Turkey?

Can dogs eat turkey? Yes, turkey is a great protein source for dogs with cancer. It’s lean, packed with nutrition, and tasty! read full article

Tumor margins are an important part of your dog's biopsy report.

Margins and Why They Are Important in Dog Cancer

Margins are the areas around a surgically removed tumor. Pathologists examine margins through a microscope to determine if the cancer has been fully removed. read full article

omega 3 and omega 6 for dogs must be given in the correct ratio.

Omega 3 and 6 for Dogs

Fatty acids are essential in a dog’s diet, particularly omega-6 and omega-3 fatty acids. That means they must come from food because dogs cannot make them in their bodies. Omega-6 and omega-3 fatty acids affect... read full article

Don't be afraid of brown rice for dogs with cancer. It's packed with cancer-fighting properties, and its complex carbs break down slowly. avoiding blood sugar spikes.

Brown Rice for Dogs

Brown rice is a readily available, highly nutritious food that may help reduce the incidence of certain cancers. read full article

Pet Health Insurance

Pet health insurance is an excellent way to protect yourself from large, unexpected expenses and to remove finances from the equation when making tough medical decisions for your dog. read full article

Should dogs sleep in the dark? Yes, they should!

Should Dogs Sleep in the Dark?

Letting dogs sleep in the dark provides essential benefits for their health and may even help protect them from getting cancer. read full article

Tigilanol Tiglate (Stelfonta)

Tigilanol tiglate (Stelfonta) is an injectable anti-cancer drug that is injected directly into eligible mast cell tumors and causes the destruction of tumor cells with great success. read full article

Doxorubicin is an old school, potent, effective chemotherapy drug. Veterinarians recommend doxorubicin for many forms of dog cancer.

Doxorubicin for Dogs

Doxorubicin is a potent anti-cancer drug used to treat many types of cancer. It is strong and effective but must be treated with respect. Most dogs tolerate this chemotherapy well, but there are side effects... read full article

veterinarians often use methotrexate for dogs with leukemia and lymphoma

Methotrexate for Dogs

Methotrexate is often used in humans with leukemias and immune-mediated diseases. It appears to be useful for similar conditions in dogs. read full article

Veterinarians may recommend benadryl for dogs with certain types of cancer that produce excess histamine.

Benadryl for Dogs

Benadryl is an inexpensive, over-the-counter antihistamine medication that may be useful to enhance the effectiveness of current cancer therapies and to manage side effects in some dogs. read full article

Staging and grading cancer in dogs is critical to getting the best diagnosis and then the best treatment plan.

Staging and Grading Cancer in Dogs

Staging and grading cancer in dogs takes some time but is very helpful. It tells us how far cancer has spread and how aggressively it is likely to behave. This helps determine a dog’s prognosis... read full article

There are many symptoms of cancer in dogs, and unfortunately, many of them are also common symptoms in other illnesses.

Symptoms Of Cancer in Dogs

When we discuss symptoms of illness in dogs, we use the term signs, which is more accurate. Many of the signs of cancer in dogs are shared with other illnesses. Seeking care promptly is key. read full article

What Does a Veterinary Nutritionist Do?

A veterinary nutritionist can help ensure your dog gets all the nutrients she needs to fuel her body during cancer treatment – and beyond. read full article

Every dog's death is unique to that dog's health and circumstances. However, there are some signs your dog is dying to be mindful of.

Signs Your Dog Is Dying

Knowing that your dog is nearing the end of his or her life can be challenging. But there are signs to look for so that you and your veterinary team can create a plan to... read full article

Dog Cancer Grief: During and After

There is no way to avoid the grief that comes with the loss of a pet but there are ways to cope and better understand your emotional response. Simply understanding the dog cancer grief process... read full article

Diarrhea in dogs is upsetting, messy, and makes dogs miserable. Finding the cause is the key to getting it to stop!

Diarrhea in Dogs

Diarrhea in dogs is one of the most common reasons owners call their veterinarians. Its cause isn’t always immediately obvious, which can be frustrating. If your dog is otherwise healthy, an episode of diarrhea is... read full article

Are certain dog breeds prone to cancer? Yes ... and some are less prone to cancer.

Dog Breeds Prone To Cancer

While there are some breeds that have a higher risk of certain cancers, there is no predicting whether your specific puppy, whether purebred or mixed breed, will get cancer. If there is a breed you... read full article

genetics in dog cancer

Genetics in Canine Cancer

Hearing that your dog has cancer can be devastating. As an owner, you may be reflecting on the signs you missed, or speculating about things you could have done differently to prevent the disease. But... read full article

Genetic Mutations and Dog Cancer: An Overview

Changes in the DNA of some of your dog’s cells can greatly impact their cancer risk and its characteristics. read full article

dog cancer diagnosis faq

Dog Cancer Diagnosis: An Overview

The dog cancer diagnosis process can be confusing and hard to navigate alone. This becomes even more difficult when you are distracted by the swirl of emotions that occur when dealing with your dog’s cancer... read full article

Bed Sores on Dogs: Preventing and Treating Pressure Sores

As a dog ages, he or she will spend more time resting, relaxing, and sleeping, which can cause areas of the skin such as the elbows and hips to develop bed sores. Changes in senior... read full article

Brussels Sprouts are delicious and packed with nutrition and cancer support.

Brussels Sprouts

Small but mighty, Brussels sprouts contain vitamins and nutrients that can help prevent canine cancer and stop it in its tracks. read full article

Fenbendazole for dogs is a dewormer that is being investigated for repurpose as a chemotherapy.

Fenbendazole for Dogs

Fenbendazole is a deworming drug used in many animals that is now under investigation as an anti-cancer drug. read full article

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Liver Cancer in Dogs

Liver cancer may sound like a terrifying diagnosis, but the liver has great regeneration capacity. Even if a large portion of the liver is damaged, injured, or surgically removed, the remaining healthy liver can rebuild... read full article

SAM-e for dogs is a good idea if there is a possibility of liver damage.

SAM-e for Dogs

SAM-e is a safe and well tolerated nutraceutical supplement with minimal side effects. It is a useful antioxidant for many inflammatory disease processes including cancer. Veterinarians may recommend SAM-e for dogs when using other drugs... read full article

Milk thistle for dogs with cancer is often recommended

Milk Thistle for Dogs (Silymarin)

Milk thistle is a supplement with powerful antioxidant properties that is used to treat and protect against liver damage. Milk thistle supplements may be especially beneficial for your dog when used with certain types of... read full article

Adiponectin is a protein that protects dogs from cancer. It's levels drop when a dog is overweight.

Adiponectin: Why Too Much Body Fat Can Be a Cancer Risk

Adiponectin is secreted by fat cells and has many potential anti-cancer benefits. Despite a greater number of fat cells in overweight dogs, they produce lower amounts of adiponectin than their leaner counterparts. Dogs with too... read full article

How to prevent cancer in dogs is not entirely known ... there are no guarantees your dog won't get cancer ... but certain strategies lower the risk and increase life quality!

Dog Cancer Prevention

Cancer cells grow due to a number of cellular changes including gene mutations and epigenetic (gene expression) factors. We cannot guarantee dog cancer prevention strategies will work, but we can influence our dog’s environment to... read full article

Lawn Chemicals Herbicides Pesticides are all implicated in cancer, and minimizing exposure for yourself and your dog is important.

Lawn Chemicals, Herbicides, and Pesticides

Traditional lawn chemicals, herbicides and pesticides are common in our outdoor spaces, and in the care of our dogs. Weed killer, topical flea medications, and insect sprays are everywhere on store shelves. Unfortunately, many of... read full article

It's pretty clear: stress in dogs is a cancer risk, and it can also get in the way of fighting cancer .

Stress in Dogs

Stress can weaken the immune system and shut down important bodily functions. This creates an environment for cancer to develop and thrive. The mind-body relationship is a complex system. Reducing stress in your dog’s life... read full article

epulis in dogs: An Akita in a field with mountains in the background.

Epulis in Dogs (Odontogenic Tumors)

An epulis tumor in your dog’s mouth may look scary, but many of them are completely treatable. Also called odontogenic tumors, these oral tumors in dogs arise from the teeth and associated structures. With early... read full article

histiocytoma in dogs

Histiocytoma in Dogs

Though they may look dangerous, histiocytomas in dogs are benign. These skin tumors are common in young dogs. They typically resolve on their own in a couple of months with limited to no treatment. read full article

Prostate cancer in dogs is rare, but often studied because of how common it is in humans.

Prostate Cancer In Dogs

A common cancer in humans, prostate cancer in dogs is quite rare. Dogs are often used as a model to study human prostate cancer, which will help new therapies evolve for both people and dogs. read full article

Lipomas in dogs are benign. They tend to happen in dogs who are overweight.

Lipomas in Dogs

Chances are, if you have an older dog, you are familiar with “fatty tumors.” These benign (non-cancerous) growths appear on dogs of all shapes and sizes, especially as they age. The really great news is,... read full article

Oral Melanoma in Dogs

Oral melanoma is a locally aggressive and highly metastatic cancer, but prompt treatment can lead to better survival times and there are new and exciting treatments on the horizon. read full article

The dog melanoma vaccine is both helpful and safe.

Dog Melanoma Vaccine

Anti-cancer vaccines are tomorrow’s technology for today’s dog, offering a new approach to cancer therapy that activates and guides a pet’s own immune system to aggressively attack tumor cells. Since 2007, thousands of dogs have... read full article

melanomas in dogs can happen in many breeds, but chows have an elevated risk

Melanoma in Dogs

Melanoma in dogs can be an aggressive cancer, but good outcomes are possible if it is caught early. There are several treatments available with many studies currently underway to find even more. read full article

Nose cancer in dogs can occur in any breed, but long-nosed dogs may be at higher risk.

Nose Cancer in Dogs

Many nasal tumors are cancerous and aggressive. That said, early detection of nose cancer in dogs leads to a favorable response to treatment and a better prognosis. read full article

Mouth cancer in dogs can occur in many different cell types and many breeds of dogs, usually older dogs.

Mouth Cancer in Dogs

There are many types of cancer that occurs in the oral cavity. However, early detection of mouth cancer in dogs leads to a favorable response to treatment and a better prognosis. read full article

Nerve sheath tumors in dogs tend to occur in older dogs. Early detection and treatment leads to better outcomes.

Nerve Sheath Tumor in Dogs

Peripheral nerve sheath tumors grow from the cells that surround the peripheral nerves in your dog’s body. Peripheral nerve sheath tumors (PNSTs) can be managed with surgery, stereotactic radiotherapy, and pain medication, but commonly reoccur.... read full article


Mistletoe for Dogs with Cancer

Mistletoe is a natural therapy that may support and improve your dog’s quality of life while fighting canine cancer. read full article

Veterinarians use piroxicam for dogs experiencing pain, and also for bladder cancer.

Piroxicam For Dogs

An NSAID in use since 1972, veterinarians also use piroxicam for dogs with bladder cancer for its anti-cancer effects. read full article

masitinib is approved for use in the EU to treat mast cell tumors.

Masitinib (Masivet, Kinavet)

Masitinib is a chemotherapeutic approved in the EU for the treatment of Mast Cell Tumors. read full article

Elspar for dogs with lymphoma is a drug commonly used as a rescue protocol.

Elspar for Dogs

L-Asparaginase (brand name Elspar) is an enzyme and an anti-cancer medication. Veterinarians use Elspar for dogs with certain immune system cancers, particularly lymphoma. This medication is fast-acting and has a high success rate, but it... read full article