Cause And Symptoms Of Cancer In Cats


A cat's body comprises countless cells that energize them, house DNA, and fulfill many roles, including immune defense.

When cells, which typically multiply and then die off, sustain damage and continue to grow unchecked, they can form tumors, some of which may be malignant.

Every year, around 6 million cats in the United States are diagnosed with cancer. Of these, between 53 and 83% of tumors are identified as malignant. The prognosis of cat cancer depends on the type of cancer, its progression, and the cat's general health.

Cause Of Cancer In Cats

Several elements have been associated with an increased risk of cancer in cats. These include:

  • Exposure to harmful substances like tobacco smoke and asbestos.
  • Ultraviolet (UV) radiation.
  • The presence of Feline Leukemia Virus (FeLV).
  • The presence of Feline Immunodeficiency Virus (FIV).
  • Specific medical procedures, including vaccinations and injections.
  • Conditions such as healed bone fractures, bone diseases, previous surgeries involving implants, and prior radiation treatment.
  • The age at which a cat is spayed.
  • Specific cat breeds, notably Siamese and Persian.
  • The cat's age influences the likelihood of different types of cancer.

Symptoms Of Cancer In Cats

Cancer in cats can lead to various symptoms, often varying based on the cancer's type. These symptoms might include:

  • Noticeable growths or swellings.
  • It decreased energy levels.
  • Changes in weight either increase or decrease.
  • Vomiting.
  • Challenges with eating.
  • Diarrhea.
  • Respiratory difficulties.
  • Issues with urinating or defecating.
  • Unpleasant odor from the mouth.
  • Presence of sores.
  • Abdominal swelling.
  • Presence of blood in stool.
  • Urine that appears blood-stained. 


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