" ... rogue sites often sell unapproved drugs, drugs that contain the wrong active ingredient, drugs that may contain too much or too little of the active ingredient, or drugs that contain dangerous ingredients.

For example, FDA purchased and analyzed several products that were represented online as Tamiflu (oseltamivir). One of the orders, which arrived in an unmarked envelope with a postmark from India, consisted of unlabeled, white tablets. When analyzed by FDA, the tablets were found to contain talc and acetaminophen, but none of the active ingredient oseltamivir." FDA