Ecuphar - F-Lysine Supplement for Cats - 150GOverview: F Lysine A nutritional supplement for cats that inhibits Feline Herpes Virus (FHV 1) self replication. Feline Herpes Virus (FHV 1) is one of the most common viruses in cats and cats. It causes cats to have symptoms such as cold sneezing, eye infections and inflammation, and even more than 90% of cats appear. Chronic and periodic conjunctivitis, there will be upper respiratory tract infections. When FHV 1 occurs, it usually causes other