Given the task definition and input, reply with output. In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Over-the-counter ( OTC ) drugs are medicines sold directly to a consumer without a prescription from a healthcare professional , as opposed to prescription drugs , which may be sold only to consumers possessing a valid prescription .
Over-the-counter drugs ( OTC ) are drugs that do not need a prescription to be bought .