The phrase "prescription drugs" refers to medications that are only available with a doctor's order. These drugs are typically used to treat serious medical conditions and require a prescription from a healthcare professional, such as a physician or pharmacist, in order to be dispensed by a pharmacy. The term "prescription" means an authorized written instruction from a qualified practitioner that allows a patient to obtain a drug from a pharmacy. In other words, the phrase refers to medications that are specifically prescribed for individual patients based on their specific medical needs and conditions.