NEW YORK (CNNMoney.com) -- Led by the emergency contraceptive Plan B, a new class of drugs called “behind-the-counter” is entering the FDA’s spotlight.As its name suggests, the behind-the-counter class, or BTC, resides in a pharmaceutical limbo between over-the-counter and prescription. Prescription drugs require a visit to the doctor’s office, while over-the-counter drugs can be purchased right off the pharmacy shelves.
