Check out "Bitten" with the lovely Erica Cox

The film "Bitten" was released in 2008. In this horror-comedy a lovelorn paramedic rescues a woman left for dead after a deadly assault. When she refuses to go to the hospital, he takes her in, nurses her back to health and soon falls in love with her. Before long the mysterious woman suffers withdrawal symptoms, leaving the paramedic to believe his newfound love is a drug addict. Coming home to find a blood-drained corpse on his floor, he learns she does indeed have an addiction problem but it's not to drugs... (Plot summary from imdb.com). It features the lovely Erica Cox, who also starred as Candy in "American Pie Presents Beta House" and several TV programmes.