Over-the-counter (OTC) drugs are medicines sold directly to a consumer without a prescription from a healthcare professional, as compared to prescription drugs, which may be sold only to consumers possessing a valid prescription. In many countries, OTC drugs are selected by a regulatory agency to ensure that they are ingredients that are safe and ...
A drug which does not require a prescription to be sold; generally less profitable than prescription drugs....more on Over-the-counter drug
[n] - a drug that is sold without a prescription
over-the-counter medicine noun a drug that is sold without a prescription