Preservation of Antibiotics for Medical Treatment Act of 2003 - Amends the Federal Food, Drug, and Cosmetic Act to provide for a phased elimination of the nontherapeutic use in food-producing animals of critical antimicrobial animal drugs. Defines "critical antimicrobial animal drug" and "nontherapeutic use."
Requires manufacturers of a critical antimicrobial animal drug or an animal feed for food-producing animals containing such a drug to report annual sales information.