Viralys for Cats - L-Lysine Powder and Gel | VetRxDirect
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What is Viralys L-Lysine for Cats?

Viralys is a L-Lysine supplement for cats and kittens in a powder or gel formula. Viralys may help reduce how often cats have feline herpesvirus flare ups and how severe they are. It may also support their immune system and eye health. Contact your veterinarian to see if Viralys would be safe and effective for your cat and to see what dose they recommend for your cat. The manufacturer recommends the following dosages for cats:

Viralys Powder:

  • Cats under 6 months of age: ½  scoop of powder by mouth twice daily
  • Cats over 6 months of age: 1 rounded scoop of powder by mouth twice daily.


Viralys Gel:

  • Cats under 6 months of age: 0.65 mL or ⅛  teaspoonful by mouth twice daily
  • Cats over 6 months of age: 1.25 mL or ¼ teaspoonful by mouth twice daily


You can find a package insert which provides more detailed information on Viralys Gel and Powder for Cats' indications, forms of administration, and side effects along with other clinical information by following the links below: 
Viralys' Package Insert does not take the place of instructions from your veterinarian. Talk to your veterinarian if you do not understand any of the information provided in this document or if you have any questions about Viralys Powder and Gel for Cats.
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