This document presents the quarter 4 lesson plan for a Health class. It discusses over-the-counter and prescription medicines. Over-the-counter medicines can be purchased without a prescription and include analgesics, anti-diarrheals, and antacids. Prescription medicines require a written authorization from a doctor and are often abbreviated as Rx. The objectives are to explain the uses of some over-the-counter and prescription medicines and differentiate between the two categories.