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Las vitaminas B12 para gatos con PIF son importantes para la recuperación

When caring for a cat affected by feline infectious peritonitis (FIP), maintaining proper health care is a very important factor. This extends to vitamins for cats, and an important one that cats also have is vitamin B12. In this article we will explain the importance of vitamin B12 for cats.

What is vitamin B12?

Cobalamin is another term for vitamin B12, which is the collective name for a class of substances with vitamin B12 action. These substances stand out for their concentration of 4.5% cobalt, which gives them the name “cobalamin” (cobalt + vitamin).

Where does it come from?

Animal foods, such as meat, fish, eggs and liver, are sources of B12. However, a cat with FIP will likely need supplements .

What does B12 do?

Vitamin B12 fulfills a series of functions, all of them crucial for a strong immune system:

  • Vitamin B12 supports red blood cell production (the development and maintenance of red blood cells). To stop anemia, B12 levels must be adequate.
  • Vitamin B12 preserves the health of the nervous system (nerve cells and normal myelination, the fatty sheaths that cover and protect nerve endings). For nervous and cognitive processes, it is crucial.
  • Vitamin B12 maintains the health of the intestines to ensure proper digestion and absorption of food, as well as the metabolism of fats and carbohydrates. The intestines need B12 to function at full capacity, but they cannot absorb it (from food) if they are damaged or sick, so this creates a bit of a dilemma.

What are the symptoms of vitamin B12 deficiency?

Clinical symptoms of a vitamin B12 deficiency include diarrhea, abdominal discomfort, nausea, vomiting, loss of appetite, malabsorption syndrome, constipation, gas, weight loss, exhaustion and lethargy. Some of the symptoms listed here are quite common side effects of FIP and are well known. Your cat’s health can improve if he consumes enough B12.

Additionally, cognitive impairment and limb weakness are linked to B12 insufficiency. Again, when FIP affects the neurological system, similar symptoms are often seen.

  1. The cycle of exhaustion.

The gastrointestinal tract is one of many body processes that are affected by the inflammatory disease FIP. The pancreas, spleen, and liver are frequently affected. Your liver’s B12 stores will be depleted quickly if your immune system is compromised. A deteriorating cycle of B12 deficiency results from a shortage of B12 in the liver, which also causes shrinkage of intestinal cells and loss of nutrients (including B12 itself). This is the dilemma we addressed earlier in this article.

  1. The imminent risk of anemia.

Your cat’s red blood cell production is hampered, causing anemia. Lack of B12 inhibits and reduces the body’s ability to produce blood and increases apoptosis of blood cells. In other words, your cat becomes anemic when B12 levels plummet. Your cat’s ability to resist illness (or anything else) decreases significantly once he becomes anemic.

  1. Further weakening of immune resistance against FIP.

It is crucial to emphasize that low levels of vitamin B12 make people more susceptible to infections and diseases and are very harmful to the nervous system, which can lead to neurological problems and serious and perhaps irreversible nerve damage. In fact, cobalamin deficiency is a common cause of metabolic encephalopathy, one of several types of encephalopathy linked to a primary disease (such as FIP) that impairs blood-brain barrier processes and normal brain function. Lethargy, sadness, ataxia, anorexia and occasional vomiting are some of the vague clinical signs that, in serious situations, can cause neurological diseases and blindness in cats.

Cats with FIP are often known to be anemic or close to it, and some show neurological symptoms of the disease. Another component of the trap is that your cat may be less able to store sufficient amounts of B12 as a result of FIP, which could worsen the symptoms of the disease. Unless you stop this cycle and add the critical vitamins, there is no way to win.

Ways for the cat to obtain B12 artificially

B12 injections.

In most countries, cobalamin is easily accessible without a prescription. For cats up to 5 kg body weight, a subcutaneous injection of 250 g of cobalamin is recommended. We advise weekly injections for cats with FIP until the anemia disappears and red blood cell values ​​stabilize. Additionally, B12 can be administered through subcutaneous fluid treatment. Your cat may find this procedure more comfortable since B12 injections hurt.

Oral vitamin B12 supplements.

Methylcobalamin should be taken, as it significantly improves liver performance. Cats can take B12 supplements that are marketed for people. 500mcg (0.5mg) per day would be an excellent starting dose, however up to double that amount can be given. Although it may seem high, in reality only a small part is absorbed. Consider taking a multivitamin supplement designed for cats that also contains iron (for anemia).


Don’t underestimate natural sources of B12; If you can, give your cat about a tablespoon of fresh meat, liver or fish per day. Your cat may even like snacks, and a little goes a long way.

Benefits of vitamin B12: vitamins for cats

Vitamin B12 contributes to the formation of red blood cells (development and maintenance of red blood cells).

To stop anemia, B12 levels must be adequate.

Vitamin B12 preserves the health of the neurological system (nerve cells and normal myelination, the fatty sheaths that cover and protect nerve endings).

For nervous and cognitive processes, it is crucial.

Vitamin B12 promotes intestinal health for better digestion and absorption of food, as well as the metabolism of fats and carbohydrates.

10 signs of vitamin B12 deficiency

  1. Nausea
  2. Vomiting
  3. Lack of appetite
  4. Food absorption problems
  5. Constipation
  6. Gas
  7. Weightloss
  8. Fatigue/Lethargy
  9. Stomachache
  10. Diarrhea

Cat Vitamin B12 Dosage During FIP Treatment

Each week, up to 250-500 micrograms (mcg) for mature cats that are not anemic.

To find out the appropriate dosage for kittens, consult your veterinarian.

Cats with severe anemia may need to be given up to 1000 mcg each week. GS-441524 with vitamin B12 alone may not be suitable in cases of severe anemia. Additional weekly B12 injections may be essential. Talk to your vet.

Calculation of dosage when using GS-441524 + B12

With or without vitamin B12, the dosage of GS-441524 is the same.

Example: A 3kg cat that has been diagnosed with the WET form of FIP.

The dose for PIF in its wet form is 6 mg/kg. Daily injection of 0.9 ml of GS-441524 is equivalent to 3 kg x 6 mg/kg 20 mg/ml. The recommended daily dose of vitamin B12 is 45mcg (0.9ml x 50mcg/ml). This cat will receive 315 mcg of vitamin B12 each week.

Why cats with FIP need vitamin B12

High risk of anemia.

During FIP disease, cats often develop anemia. A deficiency of vitamin B12 accelerates the deterioration of blood cells and limits the body’s natural ability to create new blood. Cats with low levels of vitamin B12 become anemic. Cats’ ability to resist FIP ​​virus and other infections is significantly reduced once they become anemic.

Weakened immune system.

Inadequate levels of vitamin B12 increase the body’s vulnerability to infections and diseases and are especially harmful to the nervous system of cats. This causes neurological symptoms to manifest more quickly and can cause serious or irreparable nerve damage. A primary disease (such as FIP) that interferes with the normal functioning of the brain and blood-brain barrier systems is a common cause of encephalopathy, including metabolic encephalopathy, one of several types of encephalopathy. Vitamin B12 deficiency is one of the main causes of this encephalopathy. Lethargy, sadness, ataxia, anorexia and occasional vomiting are some of the vague clinical signs that, in serious situations, can cause neurological diseases and blindness in cats.

Está bien documentado que los gatos infectados por el FIPV presentan con frecuencia anemia o síntomas similares a la anemia. Muchas personas presentan signos neurológicos. Este es un ejemplo del clásico bucle de retroalimentación negativa: La infección por PIF se desarrolla más rápidamente cuando los niveles de B12 son inadecuados. La PIF dificulta que los gatos mantengan suficiente B12 en su organismo.

Rápido agotamiento de los nutrientes

Dado que la PIF es una enfermedad inflamatoria, puede dañar el hígado, el tracto gastrointestinal, el páncreas y el bazo cuando se diagnostica a un gato. El hígado agota rápidamente su B12 almacenada cuando el sistema inmunitario se ve comprometido. Cuando los niveles de B12 en el hígado son bajos, las células intestinales se encogen y el organismo tiene problemas para absorber los nutrientes. Esto desencadenará un bucle que empeorará la escasez de B12.


¿Cómo puede la vitamina B12 mejorar el bienestar general de mi gato?

Pueden utilizarse análisis hematológicos, químicos y/o sanguíneos para evaluar la evolución de la salud de su gato. Sin embargo, debería observar ajustes en el comportamiento rutinario de su gato, como más vigor, menos tendencias letárgicas y más hambre. Es crucial tener en cuenta que los gatos no pueden comprender su enfermedad ni las razones que la provocan. Lo único de lo que son conscientes es de una sensación generalizada de estar enfermos. Su régimen de tratamiento puede beneficiarse del uso de B12 para reducir su sufrimiento y mejorar su calidad de vida.

¿Puede la vitamina B12 ayudar a curar la PIF?

No. No la hay. La B12 NO es un tratamiento para la PIF. Pero ayuda al sistema inmunitario de su gato a realizar tareas vitales. Necesitas toda la ayuda posible si quieres dar a tu gato la oportunidad de luchar contra el virus. Si no toma todas las precauciones para aumentar sus probabilidades de éxito, no puede esperar alcanzar sus objetivos con el tratamiento primario.

En conclusión, la gestión de la PIF implica algo más que proporcionar un tratamiento primario, como PI, FOI, etc. Como guardián del gato, es su responsabilidad mantener y mejorar el sistema inmunitario para ofrecerle las mejores posibilidades de sobrevivir. No es una tarea fácil, dada la magnitud y gravedad de la PIF. Lo único que podemos hacer los propietarios es utilizar todas las armas a nuestro alcance para luchar todo lo que podamos. En este conflicto, cada ventaja cuenta, y la B12 es un arma crucial. Nunca se sabe qué acción aparentemente insignificante, pero importante en última instancia, puede marcar finalmente una diferencia sustancial. Dé a su gato la oportunidad de triunfar.

¿Por qué puede necesitar un gatito una inyección de B12?

Cats ingest vitamin B12 naturally through food. Unfortunately, many kittens have problems in their intestines properly absorbing nutrients and can quickly become deficient in B12. Therefore, kittens may not benefit from oral supplements; instead, an injectable vitamin will be a more reliable way to ensure this.

A vitamin B12 injection may be beneficial for kittens with the conditions listed below as a component of their supportive care regimen:

  • Abdominal discomfort
  • Malabsorption
  • Inappetance
  • Diarrhea
  • Constipation
  • lethargic state
  • Weightloss
  • Vomiting
  • Anemia
  • PIF
  • Panleukopenia

Although vitamin B12 cannot solve these problems on its own, it can help support the kitten’s immune and digestive systems during treatment and recovery.

Supplies needed

  • Injectable B12 supplied by the veterinarian
  • Sterilez Syringe 1cc
  • 25g needles
  • Sharps Dispenser

Although vitamin B12 does not directly help a cat recover from FIP disease, it can help by strengthening your cat’s immune system, and may indirectly help a cat recover from the disease. Therefore, more and more cat owners should know this and give them B12 frequently to improve their condition, whether they are healthy or sick.

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