Originally posted by christa
L-Lysine is the way to go! You might want to give it to all your cats in fact. Just crush it up in their food . . . works wonders! Someone on here suggested it to me and it worked great! Kept Josie from getting the URI and cleared up Brodie faster than we thought.
I just found my old thread . . . QSA suggested L-Lysine to me. Here's the link where she talks about it:

http://www.petoftheday.com/talk/show...hlight=LLysine