When the virus is particularly being difficult, I also use Acyclovir. This was suggested to me by a vet. Famvir is another anti viral that is more proven and I have tried it too. I didn't notice that Famvir helped at all. However, I certainly have noticed an improvement with Acyclovir. You...
Several years ago, I took my cat to the vet to be neutered. He came back to me very ill, sneezing badly with a life threatening fever and wouldn't eat. They told me to bring him back, so I did. They said he had 'the normal cat flu, nothing serious and he should be all better with antibiotics...
