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Feline Cancer / Cancer in Cats

Feline Cancer (all types, including tumors)

Herbal nutrition to help adjunctively address conditional needs related to aberrant tissues and growths in cats. (Not a cure for cancer.)

The immune system is a complex army of cells that are found throughout your pet’s body that provides a fortified defense against unwanted invaders. It is an intricate system that keeps your pet healthy and protects them against including allergens, viruses, bacteria, microbes, parasites and toxins.

Immunity is the single most important thing you can support in your pet, aside from quality food and and fresh, filtered water. The immune system is tasked with supporting normal, balanced function and is not intended to be suppressed or stimulated. In cases of dysfunction, an animal body requires whole body systemic support. If your pet’s immune system is weakened, every bodily system is at risk for disease.  

The indication of cancer or tumors is a reflection of an immune system gone awry. Cancer is perhaps the most feared disease for pet owners. Many holistic veterinarians believe that cancer usually results from a weakened immune system and chronic inflammation.

All forms of cancer and irregular growths likely start when there are atypical gene mutations which occur in vulnerable cells. The mutated cells begin to reproduce and attack other normal, healthy cells. When the atypical cells outpace normal cells, cancerous tumors form.

Feline leukemia virus (FeLV) is second only to trauma as the leading cause of death in cats, killing 85% of persistently infected felines within three years of diagnosis. The virus commonly causes anemia or lymphoma, but because it suppresses the immune system, it can also predispose cats to deadly infections. However, exposure to the feline leukemia virus doesn’t have to be a death sentence. Approximately 70% of cats who encounter the virus are able to resist infection or eliminate the virus on their own largely due to a premium diet, an enriched home life and a robust immune systems.

The most common feline cancer is lymphoma. Despite a vaccine for feline leukemia, an increasing number of cats are contracting cancer. Once a cat has been exposed to FeLV, the probability of developing lymphoma increases greatly and diagnosis is difficult since cats hide disease well. 

Cats also commonly develop tumors of the lung, brain, mouth, nasal cavity, liver and kidneys. Mammary tumors are less common since many cats are now spayed, but cats of all ages and breeds can develop cancer in any part of the body. 

Common symptoms of feline cancer include:





Loss of appetite

Weight loss

Difficulty breathing

Fluid in the lungs

Poor coat


The exact causes of cancer are unclear, although we know that all forms begin by genetic mutations that convert normal cells into cancerous cells. It is believed that mutations are usually caused by chronic inflammation, excessive oxidation, as well as toxicity from food, water and environment along with genetics. 

When we consider environmental toxicity and its potential relationship to tumors, common factors include: 

Polluted air (i.e. cigarette smoke, gas exhaust) and water.

Toxins and harmful chemicals found in some common products (i.e. dryer sheets, household cleaners, candles, pesticides, flea products, etc.).

Low-quality foods and treats that contain artificial colors, flavors, additives, and/or preservatives.

Radiation (it has been confirmed that pets and people are more susceptible to cancer if they are frequently exposed to radiation of various forms.)

Over-vaccination is a possible cause of feline cancer


Stress can also contribute to cancer. Our home environments should  support a peaceful existence for our cats. When pets are left alone, including cats, they can develop depression, anxiety and boredom. Like humans, mental stress affects our pets adversely, weakening their immune systems, making them susceptible to diseases such as cancer.

Herbal Nutrition - (listed in order of relevance and recommendation by holistic vets - human grade meets/exceeds highest safety criteria for pets)

Herbal remedies have a long history of traditional use in helping address the conditional needs of aberrant cells and growths, which may help inhibit irregular cellular progression; may help promote healthy cell response; may help boost immunity and may limit inflammation; may help  balance the immune system and for their internationally studied potential anti-cancerous (anti-mutagenic, anti-angiogenic, cytotoxic and anti-tumorous)natural plant actions. 

Get Well Soon  (learn more) is used holistically as an immune booster, an adjunctive cytotoxic therapy for cancer cells and as a complementary therapy in anti-cancer protocols due to its active content of Annonaceous acetogenins, for its studied anti-tumorous natural plant chemicals (slows growth), and potential anti-cancerous activity (inhibits anaerobic cells while protecting healthy cells); antioxidants help promote healthy cell and cell membrane support; helps promotes connective tissue, skin and coat support and antioxidant protection against free radicals, which is important in disease prevention; helps standardize normal cell operation; encourages free radical scavenging of cysts, tumors and lipomas; as a broad-spectrum internal and external antimicrobial, anti-bacterial, anti-fungal and anti-viral properties against infection, as an adjunctive for cysts and tumors related to fibrous, fatty, sebaceous tumors including cutaneous mast cell tumors (mastocytomas, mast cell tumors, sarcomas), lipomas, histiocytomas, adenomas hyperplasia and papillomas. Also used adjunctively and holistically for the following types of tumors: hind quarter, deep tissue, lesions, polyps, warts, basal and mast cell, bone, brain, heart, liver, kidney, bladder, mammary, skin, stomach, eye, ear, nose, mouth and leg tumors.

I Cell-Ebrate Life (learn more) antioxidants help promote healthy cell and cell membrane support; strongly antioxidant and anti-mutagenic; may nutritionally help promote connective tissue, skin and coat support and antioxidant protection against free radicals, which is important in disease prevention; nutritionally help standardize normal cell operation; encourage free radical scavenging of cysts, tumors and lipomas; for its adaptogen content which may help identify metabolic, oxidative, physiological and physical dysfunction; may help provide nutritional, biochemical and plant botanical support of healthy immune cells; may help address symptoms related to Lyme disease; may help promote optimal immune protection and systematic cellular health and strength; may help support bone, teeth and muscle health and integrity and for animals that need extra joint, immune, circulatory and vascular support; may help counteract Staph infections and DNA and RNA viruses.

I Want Liquid Immunity -  (learn more) contains water-soluble plant bioflavonoids that function as potent antioxidants which are important in disease prevention; used adjunctively for growth abnormalities such as tumors, cysts and lipomas (often related to poor diet, excessive medication, environmental toxicity as well as aberrant cellular mutations); provides antioxidant protection against free radicals; helps promote cellular health and to reduce catabolic waste; may help address symptoms related to allergies, Lyme disease and other auto immune diseases; provides nutritional, biochemical and plant botanical support of healthy immune cells; promotes optimal immune protection and systematic health and strength; supports bone, teeth and muscle health and integrity and for animals that need extra joint, immune, circulatory and vascular support. Strongly anti-viral, anti-bacterial, anti-microbial and anti-mutagenic.

Lumps and Bumps Meal Topper is a specialty formulated, nutritional master blend of herbs that synergistically combines to help deliver antioxidant, free-radical scavenging and anti-mutagenic actions on pesky irregular growths and masses. Lumps and Bumps Meal Topper may help promote immune health, anti-mutagenic and anti-angiogenic plant actions may help interrupt cellular interruptions and limit blood supply to irregular growths, and may nutritionally encourage healthy cell division and healthy cellular response. Delicious turkey or chicken flavoring addresses palatability for dogs and cats and can easily help "top off" any type of diet. 


I Feel Good –  (learn more) contains antioxidants, prebiotics, probiotics, digestives enzymes, fiber, inulin, fatty acids and adaptogens and is a potent plant-based anti-viral, which may help nutritionally tone the animal body, may help boost or balance immunity as needed, including soothing an over-stimulated immune system or boosting an under- performing immune system, may help build white blood count to help fight infection,may help reduce all forms of system-wise metabolic and oxidative stress that undermine immunity; may help support water regulation and fluid balance in the body;may help reduce all types of inflammation, may help provide dermal support and growth of healthy cells and tissues in the body’s defense mechanism, may help reduce the histamine trigger for contact allergies, seasonal and chronic allergens, pathogens, skin rashes, infections, hot spots, inflammation, swelling, hair loss, itching and geriatria (dull coat, lethargy) and fever; may be an important anti-viral adjunctive in cases of Herpes virus; may help alleviate symptoms for all types of arthritis, including Degenerative Joint Disease, Osteoarthritis, Osteoporosis, Rheumatoid Arthritis (RA) and symptoms associated with rheumatism, including pain, strains, injuries, muscle pain, swelling and lack of mobilityreduces all types of inflammation, particularly from the heart to brain; as a gastrotonic to support stomach health; contains prebiotics and probiotics useful in balancing digestive health and function plus much more. Recognized as one of the most important medicinal plants in the world, particularly related to supporting balanced immunity and limiting inflammation and inflammatory conditions.

Conventional Remedies:

If your pet shows signs of cancer, see your veterinarian immediately.  

The vet will perform a physical examination, urinalysis, and may perform blood tests, a complete blood count (CBC) and blood profile, and will likely review your pet's diet, vaccination history, past diseases or conditions, medications and supplements. Your vet may also order X-rays, MRI, CT scan, and/or Ultrasound. 

When x-rays do not reveal abnormalities, sometimes more specialized diagnostic imaging, such as MRI or CT scans may be required. These tests are particularly successful for cancers related to the face, sinuses, brain, and spinal cord. Pets are usually put under full anesthesia during these scans.

Fine Needle Aspiration

Fine needle aspiration is a quick and easy way to determine the malignancy of a tumor. A fine needle is attached to a syringe into the mass to extract, or aspirate, a tiny amount of fluid or cells by pulling back on the plunger of the syringe. The material extracted is then examined under the microscope for a proper diagnosis. In cases where cells cannot be extracted from a tumor, such as soft tissue sarcoma, a biopsy may be necessary for diagnosis.


Tumors are surgically removed (referred to as an excision biopsy) and then a portion of the tissue is sent to a pathologist for examination microscopically.

Occasionally, a tiny piece of the tumor is removed (an incision biopsy) for diagnosis.

In either case, sedation or anesthesia is necessary.


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