Simplify the following text for a Grade 5 native English-speaking person.
Original: OTC drugs are usually also required to have little or no abuse potential , although in some areas drugs such as codeine are available OTC ( usually in strictly limited formulations or requiring paperwork or identification to be submitted during purchase ) . One of the oldest OTC drugs is aspirin .
Simplified: Over-the-counter drugs ( OTC ) are drugs that do not need a prescription to be bought .