My Best Friend Is a Vampire (1987)
Shortly after high school student Jeremy Capello goes on a hot date, he finds he can't stand garlic or see his reflection in mirrors.
Directed by: Jimmy Huston
Starring: Robert Sean Leonard, Evan Mirand, Leeanne Locken Emberlin, Cheryl Pollak, Cecilia Peck, Fannie Flagg
Links: IMDb, Movie posters, Movie stills