Some over-the-counter (OTC) medicines or herbal products have mind-altering properties or other desirable effects that lend themselves to abuse—meaning the medicine is taken for reasons and in ways or amounts which were never intended. Teens and adults can be easily lulled into OTC medicine abuse because they erroneously believe it is less dangerous than illegal drug abuse. OTC medicines are also affordable and easy to obtain. In this section, learn about the top 10 OTC medicines and herbals abused by teens. Don’t let your medicine cabinet be the source of a legal high for teens!