In the U.S., visiting a doctor can be expensive, especially without insurance. Fortunately, many over-the-counter (OTC) medicines are available at pharmacies without a prescription, allowing you to treat minor health issues yourself.Table of ContentsHow to Buy Medicine at U.S. PharmaciesDifference Between OTC and Prescription (Rx) MedicinesRecommended Medicines by Condition (Cold, Indigestion, H..