However, due to a ruling in federal court, these drugs are not yet available in the United States. In February 2014, a federal Appeals Court upheld a lower court ruling that Pfizer's patent for Lyrica (pregabalin) remains valid, thus preventing generic competition for the drug through 2018.
What is FIV and how is it transmitted? FIV (Feline Immumodeficiency Virus) is a retrovirus in the same family as the human AIDS virus, with a few significant differences. It is estimated that in the United States, 2% of cats are infected with the FIV virus. http://cats.about.com/cs/healthissues/a/fiv_in_cats.htm.
Though feline leukemia is considered to be a contagious disease, not all cats are at risk of contacting the disease. Spread of feline leukemia requires close contact with an infected cat.