The document discusses different types of prescription drugs including antibiotics, antitussives, and decongestants. Antibiotics are used to treat bacterial infections and have common side effects like upset stomach and diarrhea. Antitussives, also known as cough medicine, are used to treat coughing and related conditions and have side effects like dizziness and nausea. Decongestants help relieve nasal congestion from colds, flu, and allergies and are commonly found in over-the-counter medications, with potential side effects including increased blood pressure and sleeplessness.