
The Feline Viral Rhinotracheitis, Calicivirus, and Panleukopenia (FVRCP) vaccine is a core vaccine that protects cats from three highly contagious and life-threatening feline diseases. Feline Viral Rhinotracheitis, also known as Feline Herpesvirus Type 1, is believed to be responsible for 80-90% of all infectious upper respiratory diseases in cats. The FVRCP vaccine is highly recommended for all cats, even those that do not go outdoors, to protect them from serious feline conditions.
| Characteristics | Values |
|---|---|
| Vaccine Name | FVRCP |
| Other Names | RCP, HCP, Distemper Vaccine |
| What it Protects Against | Feline Viral Rhinotracheitis (FVR), Feline Calicivirus (FCV), Feline Panleukopenia (FPL) |
| FVR Alias | Feline Herpesvirus Type 1, FHV-1 |
| FVR Symptoms | Fever, Sneezing, Inflamed Eyes and Nose, Discharge from Eyes and Nose |
| FCV Symptoms | Nasal Congestion, Sneezing, Eye Inflammation, Ulcers on Tongue, Palate, Lips or Nose, Loss of Appetite, Weight Loss, Fever, Enlarged Lymph Nodes, Squinting, Lethargy |
| FPL Symptoms | Depression, Loss of Appetite, High Fever, Lethargy, Vomiting, Severe Diarrhea, Nasal Discharge, Dehydration |
| First Vaccination | 6-8 weeks old |
| Booster Shots | Every 3-4 weeks until 16-20 weeks old |
| Booster Frequency | Every 3 years |
| Side Effects | Mild fever, decreased appetite, sluggishness, swelling at injection site |
| Severe Side Effects | Hives, redness/swelling around eyes and lips, mild fever, vomiting, diarrhea, itchiness, breathing difficulties |
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What You'll Learn
- Feline viral rhinotracheitis (FVR) is a herpesvirus that causes upper respiratory issues in cats
- Feline calicivirus (FCV) leads to oral and respiratory issues in cats
- Feline panleukopenia (FPL) is a serious virus that damages the bone marrow, lymph nodes and intestines
- The FVRCP vaccine is one of two core vaccines for cats, the other being rabies
- The FVRCP vaccine is given to kittens in a series of shots until they are 16-20 weeks old

Feline viral rhinotracheitis (FVR) is a herpesvirus that causes upper respiratory issues in cats
Feline viral rhinotracheitis (FVR), also known as feline herpesvirus type 1 (FHV-1), is an infectious disease that causes upper respiratory issues in cats. FVR is highly contagious and is believed to be responsible for up to 80-90% of all infectious upper respiratory diseases in cats. The virus can infect cats of all ages and is transmitted through direct contact with infected saliva or discharges from the eyes and nose of an infected cat. It can also be spread through contaminated objects such as food and water dishes, furniture, and clothing. FVR is characterised by fever, frequent sneezing, inflamed eyes (conjunctivitis), inflammation of the nose (rhinitis), and salivation. In severe cases, cats may develop mouth inflammation with sores and inflammation of the cornea.
The FVR vaccine, also known as the FVRCP vaccine, is one of the core vaccines recommended for all cats, both indoor and outdoor. It is highly effective in protecting cats against FVR and two other highly contagious and life-threatening feline diseases: Feline Calicivirus (FCV) and Feline Panleukopenia (FPL). The FVRCP vaccine is typically given to kittens starting at around 6-8 weeks old, followed by booster shots every three to four weeks until they are about 16-20 weeks old. After that, a booster is needed annually or every three years throughout their lifetime. While vaccinated cats can still be infected with FVR, the vaccine significantly reduces the severity and duration of the infection.
It is important to note that FVR cannot be cured, and the virus can remain dormant in a cat's body, causing flare-ups throughout its lifetime. Cats diagnosed with FVR require long-term specialised home care and regular veterinary check-ups. Good hygiene practices, including proper hand washing and keeping a clean environment, are crucial to preventing the spread of FVR. Disinfectants, especially diluted bleach solutions, are effective in killing the virus on contaminated surfaces.
FVR is a common and highly contagious upper respiratory infection in cats, caused by the feline herpesvirus type 1 (FHV-1). The FVR vaccine, or FVRCP vaccine, is highly recommended for all cats as it provides protection against FVR and other dangerous respiratory agents. Vaccination helps reduce the severity and duration of FVR infections, but ongoing veterinary care and hygiene practices are essential to manage the disease.
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Feline calicivirus (FCV) leads to oral and respiratory issues in cats
The Feline calicivirus (FCV) is a highly contagious virus that causes oral and respiratory issues in cats. It is one of the two main viral causes of respiratory infection in cats, the other being the feline herpesvirus. FCV can be isolated from about 50% of cats with upper respiratory infections.
FCV causes a range of symptoms, including oral and respiratory issues. Oral symptoms include painful ulcers on the tongue, palate, lips, gums, and nose. Cats with FCV will usually drool excessively due to the pain caused by these ulcers. Respiratory symptoms include nasal congestion, sneezing, eye inflammation, and clear or yellow discharge from the nose or eyes.
In addition to these typical symptoms, cats infected with FCV often suffer from loss of appetite, weight loss, fever, enlarged lymph nodes, squinting, and lethargy. Some strains of FCV can cause fluid buildup in the lungs, leading to pneumonia. Other strains may result in fever, joint pain, and lameness.
FCV is highly contagious, and the virus can be transmitted through saliva. It is especially common in shelters and breeding colonies and often infects young cats. While most cats recover completely from FCV, rare strains can be deadly, with a reported death rate of up to 67%.
To protect cats from FCV, the FVRCP vaccine is recommended. This vaccine is highly effective in preventing three highly contagious and life-threatening feline diseases, including FCV. Kittens should receive their first FVRCP vaccination around 6-8 weeks old, followed by booster shots every three to four weeks until they are 16-20 weeks old. After that, booster shots are needed annually and then every three years throughout the cat's lifetime.
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Feline panleukopenia (FPL) is a serious virus that damages the bone marrow, lymph nodes and intestines
Feline panleukopenia (FPL), also known as feline parvovirus (FPV), is a highly contagious and often fatal disease that affects cats worldwide. FPL is caused by a parvovirus, which infects and destroys rapidly dividing cells, particularly in the bone marrow, lymph nodes, and intestines. The name "panleukopenia" refers to the virus's damaging effect on white blood cells (leukocytes), which are essential for fighting off infections.
The FPL virus primarily targets mitotically active tissues, including lymphoid tissue, bone marrow, and intestinal mucosa. It causes immunosuppression by infecting and depleting lymphoid tissues. In the bone marrow, the virus infects early progenitor cells, leading to a significant impact on myeloid cell populations. FPL also damages the rapidly replicating cells in the intestinal mucosa, resulting in severe gastrointestinal symptoms.
Symptoms of FPL include depression, loss of appetite, high fever, lethargy, vomiting, severe diarrhoea, nasal discharge, and dehydration. In some cases, FPL can lead to cardiac damage, cerebellar hypoplasia, and other congenital defects in infected pregnant cats. Kittens are the most vulnerable to FPL, with a high risk of sudden death, especially if they are under five months old.
The good news is that highly effective vaccines are available to protect cats against FPL. The FVRCP vaccine, one of the two core vaccines recommended for all cats, helps guard against three highly contagious and life-threatening feline diseases, including FPL. To provide optimal protection, cats should receive their first FVRCP vaccination around 6-8 weeks of age, followed by booster shots every three to four weeks until they are 16-20 weeks old. After that, booster shots are typically given annually or every three years throughout their lifetime.
In addition to vaccination, there are several measures cat owners can take to protect their cats from FPL and other infectious agents. These include avoiding contact with known infected cats, keeping cats indoors, practising good hygiene, and sanitising surfaces with a diluted bleach solution to prevent the spread of the virus.
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The FVRCP vaccine is one of two core vaccines for cats, the other being rabies
The FVRCP vaccine is one of the two core vaccines recommended for cats, the other being the rabies vaccine. The FVRCP vaccine is a combination vaccination that protects cats against three highly contagious and life-threatening feline diseases: Feline Viral Rhinotracheitis (FVR), Feline Calicivirus (FCV), and Feline Panleukopenia (FPL). FVR, also known as feline herpesvirus type 1 or FHV-1, is believed to be responsible for up to 80-90% of all infectious upper respiratory diseases in cats. It can cause inflammation of the eyes and nose, nasal discharge, fever, and sneezing. In severe cases, FVR can lead to oral ulceration and pneumonia.
Feline Calicivirus (FCV) is another highly contagious virus that affects cats. It typically causes upper respiratory tract disease, similar to FHV-1, as well as oral ulceration. In some cases, FCV can lead to chronic stomatitis, pneumonia, systemic disease, or lameness. A more severe strain, known as virulent systemic feline calicivirus (VS-FCV), can result in debilitating symptoms and internal organ infection, and is often fatal.
Feline Panleukopenia (FPL), the third disease covered by the FVRCP vaccine, is an extremely serious and common virus in cats. It causes damage to bone marrow, lymph nodes, and the cells lining the intestines, leading to severe diarrhea, vomiting, high fever, lethargy, and dehydration. FPL has a high mortality rate due to its impact on the immune system.
The FVRCP vaccine is typically given to kittens starting at around 6-8 weeks of age, followed by booster shots every three to four weeks until they are 16-20 weeks old. After that, a booster is required annually until the cat is a year old, and then every three years throughout its lifetime. Side effects from the FVRCP vaccine are generally mild and uncommon in cats. However, some cats may experience a slight fever, decreased appetite, or lethargy for a day or two after vaccination.
While the FVRCP vaccine is one of the core vaccines strongly recommended for all cats, the rabies vaccine is not just recommended but required by law in most states. Both vaccines are crucial in protecting cats from severe and potentially fatal diseases, ensuring their long-term health and well-being.
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The FVRCP vaccine is given to kittens in a series of shots until they are 16-20 weeks old
The Feline Viral Rhinotracheitis, Calicivirus, and Panleukopenia (FVRCP) vaccine is one of the two core vaccines recommended for all cats, regardless of whether they are indoor or outdoor cats. The FVRCP vaccine helps protect cats from three highly contagious and life-threatening feline diseases: Feline Viral Rhinotracheitis (FVR), Feline Calicivirus (FCV), and Feline Panleukopenia (FPL). FVR, also known as feline herpesvirus type 1 (FHV-1), is believed to be responsible for 80-90% of cats' infectious upper respiratory diseases. Feline Calicivirus (FCV) is another cause of upper respiratory infections and oral disease in cats, with symptoms including nasal congestion, sneezing, eye inflammation, and discharge from the nose or eyes. In some cases, cats may also develop painful ulcers on their tongue, palate, lips, or nose. Feline Panleukopenia (FPL) is an extremely common and serious virus that causes damage to bone marrow, lymph nodes, and the cells lining a cat's intestines.
The FVRCP vaccine is typically given to kittens in a series of shots until they are 16-20 weeks old. The vaccination schedule usually begins when kittens are around 6-8 weeks old, with booster shots administered every three to four weeks until they reach 16-20 weeks of age. This series of vaccines is necessary to ensure that the kitten's immune system recognizes the components of the vaccine and to provide protection as the immunity from their mother's milk wears off. After completing the initial series of vaccinations, kittens will need another booster when they are just over a year old, and then the FVRCP vaccine will only need to be administered every three years throughout their lifetime.
Side effects from the FVRCP vaccine in cats are generally rare and mild. Most cats that experience side effects may have a slight fever, decreased appetite, or feel a little sluggish for a day or two. There may also be a small amount of swelling at the injection site, which is typically not a cause for concern. However, in very rare cases, some cats may have extreme reactions, and it is recommended to consult a veterinarian if any concerns arise after vaccination.
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Frequently asked questions
The FVRCP vaccine protects cats against three highly contagious and life-threatening feline diseases: Feline Viral Rhinotracheitis (FVR), Feline Calicivirus (FCV), and Feline Panleukopenia (FPL). Feline Viral Rhinotracheitis is a feline herpesvirus, also known as FHV-1.
Cats should receive their first FVRCP vaccination at around 6-8 weeks old, followed by booster shots every three to four weeks until they are 16-20 weeks old. After this, they will need another booster when they are a little over a year old, and then every three years throughout their life.
Side effects are unusual in cats and tend to be mild. Some cats may develop a slight fever and feel a little unwell for a day or two. It is also common to see some swelling at the injection site. In rare cases, more extreme reactions can occur, including hives, swelling around the eyes and lips, itchiness, fever, diarrhoea, vomiting, and breathing difficulties.
The FVRCP vaccine is one of two core vaccines for cats, the other being the rabies vaccine. These vaccines are strongly recommended for all cats, even those that do not go outdoors, as viruses can survive on surfaces for up to a year. Feline Viral Rhinotracheitis, which the vaccine protects against, is believed to be responsible for 80-90% of all infectious upper respiratory diseases in cats.











































