Feline Calicivirus: Symptoms, Treatment, and Prevention

Felines, our beloved companions, can sometimes fall victim to various health issues, including Calicivirus. This viral infection is particularly common among cats and understanding its implications, symptoms, treatment, and prevention methods becomes pivotal for every cat owner.

Cause of Calicivirus :

Calicivirus belongs to the family of viruses known as Caliciviridae. In felines, this viral infection specifically targets the respiratory system. It’s highly contagious among cats and can spread rapidly through direct contact with an infected cat or through contaminated objects and surfaces.

Symptoms of Calicivirus:

Recognizing the signs of Calicivirus is crucial. The symptoms may vary from mild to severe and can include:

Respiratory Symptoms

  • Sneezing
  • Nasal discharge
  • Coughing
  • Difficulty in breathing

Oral Symptoms

  • Ulcers on the tongue
  • Ulcers on the gums
  • Excessive drooling
  • Reluctance to eat

Systemic Symptoms

  • Fever
  • Lethargy
  • Dehydration
  • Joint pain

Diagnosis of Feline Calicivirus:

A veterinarian can diagnose Calicivirus based on clinical symptoms and specific tests. These tests may involve a physical examination, blood tests, or swabs from the mouth or nasal passages.

Treatment Of Calicivirus:

As Calicivirus is a viral infection, treatment primarily focuses on managing the symptoms and supporting the cat’s immune system. Treatment may include:

  • Antibiotics to treat secondary bacterial infections
  • Pain relievers to alleviate discomfort
  • Antiviral drugs in some severe cases
  • Fluid therapy to maintain hydration
  • Nutritional support to ensure adequate intake

Prevention Strategies:

Preventing the spread of Calicivirus among felines involves several proactive measures:

Vaccination of Calicivirus :

Regular vaccinations against Calicivirus are crucial in preventing the infection. Consult your veterinarian for an appropriate vaccination schedule.

Hygiene and Sanitation:

  • Regularly clean litter boxes, food and water bowls, and bedding.
  • Quarantine new cats before introducing them to your existing feline family.
  • Wash hands thoroughly after handling multiple cats.


  • Isolate infected cats to prevent the spread within your household.
  • Limit contact between healthy and infected cats.


Understanding Calicivirus in felines is paramount for every cat owner. Recognizing the symptoms, seeking prompt veterinary care, and implementing preventive measures are essential in managing and containing this viral infection among cats.

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