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3-PACK Felisyl® Immune System Support (10.5 oz)

Item Number: FELISYL35PK3
Regular Price: $47.58Sale Price: $27.99
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Felisyl Immune System Support for Cats is a safe nutritional supplement for your cat if it has a condition that is responsive to L-lysine. L-lysine has been known to reduce the harshness and number of occurrences of herpes simplex viral infections. These infections result in fever blisters and cold sores. L-lysine is an effective ingredient of Felisyl Immune System Support for Cats.

In cats, the herpes virus is considered very contagious. What makes it so problematic is that it is a very common cause of upper respiratory infections (URIs). Symptoms of URIs include eye discharge and sinus congestion in your cat. You may also notice some squinting of the eyes and sneezing as part of the effects of an upper respiratory infection. Felisyl Immune System Support for Cats can help.

Felisyl is an easy to use nutritional supplement that kittens and cats alike seem to find tasty. It is easy to administer by simply mixing it in with their cat food.

Other benefits to Felisyl Immune System Support for Cats are that it helps promote healthy tissue, encourages respiratory health, and can even help with your catís vision. It is effective, easy to administer, and has some nice additional healthy side effects.

Administration: Approximately 250 mg of L-Lysine per one rounded scoop (322 mg). Mix appropriate dosage with cat food at feeding time.

Age of Cat Mix with Food
under 6 months 1/2 scoop twice daily
6 months & over 1 scoop twice daily
Guaranteed Analysis Per Scoop
L-Lysine HCL 250 MG
Ingredients: L-Lysine in a palatable base.

Usage Information

The Impact of Feline Herpes Virus on Your Cat

What is the Feline Herpes Virus?

The Feline Herpes Virus causes an acute respiratory illness known as Rhinotracheitis. The virus affects domestic and wild cats worldwide. Rhinotracheitis, a member of the feline upper respiratory infection complex, is one of many viral and bacterial infections that cause sneezing and discharge from the eyes and nose. Cats often have two or more of these respiratory infections at the same time with FHV-1 being the most common.

Where does the virus typically originate?

Cats of all ages and breeds are susceptible to FHV-1. Certain factors increase the likelihood:
  • Kittens born from infected mothers
  • Multi-cat households, catteries, and pet adoption centers with the following factors:
    o Overcrowding
    o Physical or psychological stress
    o Poor nutrition
    o Poor sanitation
    o Poor ventilation
  • Lactating pregnant cats
  • Sick cats, particularly those with a weakened immune system or other respiratory infection
  • Unvaccinated cats

    How is the virus spread?

    FHV-1 is spread through the discharge from an infected felineís eyes, nose and mouth. The most common methods of transmission are when contact with contaminated objects that an infected cat has touched or sneezed on includes cages, food, water bowls, litter trays, etc. Several days of close contact are necessary for infection to occur. Most cats that are infected with FHV-1 are never completely rid of the virus and are known as latent carriers. Latent carriers do not necessarily show symptoms but harbor the virus in nerve cells.

    What are the signs and symptoms?

    Common symptoms include:
  • Coughing
  • Fever (up to 106⁰ or 41⁰C)
  • Loss of appetite and weight loss (anorexia)
  • Runny nose (rhinitis)
  • Sneezing attacks
  • Runny eyes

    How is the virus diagnosed?

    FHV-1 is diagnosed on the basis of clinical symptoms and the catís medical history. Lab tests detect the virus in the catís nasal or eye secretions. It is strongly recommended that your cat visits your veterinarian on a regular basis. If any of the symptoms are exhibited by your cat, immediate veterinarian attention is advised.

    How can the virus be treated?

    Prevention is the best method to keeping FHV-1 from infecting your cat.
  • Stress reduction: make sure the room is warm, well-ventilated and adequate lighting. Keeping the cat indoors is recommended by veterinarians.
  • Healthy diet: make sure your cat is eating and drinking enough.
  • Keep the catís eyes and nose clean and clear of discharge.
  • Use a humidifier or place your cat in the bathroom while a hot shower is running to help breakup the mucus in the upper airway.
  • Kittens should be vaccinated at 8-10 weeks of age, then at 12-14 weeks, and then annually.

    Once infected, most cats are not completely rid of the feline herpes virus. These latent carriers can benefit from products like Felisyl, an immune system support supplement. Felisyl by Pet Health Solutions is a brand new nutritional supplement that is safe and effective for conditions responsive to Lysine. Lysine has been proven to reduce the severity and duration of feline herpes virus infections. Felisyl is a palatable oral powder that easily mixes into your catís food to provide relief from FHV-1 flare-ups. Felisyl rivals competitive feline Lysine products with equal effectiveness at a fraction of the cost.
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    Customer Reviews

    Click here to see all reviews
    4.73 rating based on 15 reviews
    by from 04/10/2012

    My vet told me to add lysine to my cat's food. He had a herpes infection when I rescued him. The lysine is supposed to help recurrences and thus far Simon has had none.

    Felisyl by with from hisI


    Great product by DustyJ from elgin tx06/15/2013

    Cats like the lysine powder (all 9 of them) - a first! easy to put on wet or dry food. I use a slight spray mist of water which helps the powder stay attached to the dry food and voila it is eaten without problems

    Felisyl by Kazuye from Los Angeles08/17/2014

    My cat caught the herpes virus while a kitten at the animal shelter. Felisyl helps her from getting so much sneezing and stuffy nose symptoms. I mix it into her food everyday and she doesn't mind it at all.

    This is Great Stuff! by annetta from kansas03/29/2013

    Felisyl helps the immune system of cats. My cats have frequent sneezing and it takes care of it. Likely the vet said it's probably from cat herpes. But many cats have this. Any time a respitory problem...cold or stuff like that starts...give them felisyl. It's best to not give daily unless your cat has a severe or ongoing problem. It works for my babies and it may likely make your vet trips much less needed.

    great product by dustyj from austin, TX02/26/2014

    I have a cat with a chronically irritated eye and she is also FIV positive. My veterinarian had suggested l-lysine to help decrease the viral load and she suggested this. I sprinkle some on a bit of wet food or spray water on her dry food and sprinkle some on it. She gets her doses twice a day - no hassle.

    Felisyl recommended by my vet by Tutti from Los Angeles02/06/2013

    Great product especially for those of us that have more than 1 cat because you can use it every day in their food and it strengthens their ammune system. I am on my 4th container. Entirely Pets has the best price according to my vet.

    Felisyl Immune System Support by I don't have a nickname from North Carolina07/01/2013

    The cats like it, Use it to help keep foster kitties healthy.

    by Cat Lady03/23/2012

    Have had the cats on this for years to keep down the symptoms of the kitty herpes type illness. They like the taste and it works well. Much easier to use than the paste and more economical too.

    Very nice product by vj from IN12/14/2012

    My cats must like the taste because they eat it up when I sprinkle it on their food!

    great stuff by fostercatmom from Indianapolis, IN08/19/2012

    I have volunteered with an animal shelter for over 10 years. We put lysine on the food of all the cats because it helps with the herpes virus that runs through all shelters. It doesn't cure the virus, just helps to keep it from replicating. This version is flavored and the cats like it.

    good value by Tuxcats12/17/2012

    There are other L-Lysine products, same ingredients, at a higher cost, on the market, and at the Vet's office. Happy with product, price, and great service.

    Excellent purchase price by cati from Kansas08/07/2013

    This L-Lysine HCI supplement for cats is less expensive than the vet recommended Viralys. So far, it has been just as effective to address herpes in my cats. The best part about Felisyl is that the cats actually eat it readily when mixed with canned cat food.

    not just for feline herpes by mindymoon12/14/2013

    I took in a very sick stray 3 years ago He had an upper respiratory infection so severe that 3 different vets weren't sure he would make it. He also tested positive for Feline HIV. Vet suggested Viralys for immune support. I've had him on Felisyl for 3 years. After months of TLC and antibiotics, he got healthy and gained weight. His coat is beautiful, eyes and ears clear. And he has stayed very healthy since. I think the Felisyl helps, so will continue it for the rest of his life. I add a scoop to his wet food once a day.

    My cat liked the Viralys better by MaryAnnSanDiego from San Diego, CA07/06/2011

    I had been using the Viralys powder for about a year with no problem. Just decided to try the Felisyl since it was a little cheaper. My cat backs away from ANY food I put down with the Felisyl mixed in. Eventually after complaining for a while, she will eat! I will go back to the Viralys so I won't have any food issues. Both products seem to work the same, however.

    by Kazi's Mom06/07/2013

    This product has done a good job keeping my kitties from having feline herpes return. It is a good immune system builder.


    Questions and Answers

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