(Vetoquinol) Enisyl-F Lysine treats help manage the symptoms of feline herpes virus, including sneezing, watery eyes, and nasal discharge. Enisyl-F Lysine treats are a palatable source of L-Lysine. L- Lysine has been shown to reduce the severity and duration of feline herpes virus infections. Cats remain a carrier of feline herpes virus throughout their life. Enisyl-F can help manage the condition and prevent flare-ups, and can be safely administered for as long as required. Treats are readily accepted by cats and kittens, making administration convenient and stress-free. Provides 250 mg L-Lysine per 6-treat dose. Give cats 6 treats daily for routine administration, and up to 12 treats daily during flare-ups.