Benzedrine is a stimulant drug that is often used for its ability to increase focus and concentration. It's also commonly known by other names such as dextroamphetamine, dexedrine, or oval pill. There are a few other synonyms for benzedrine that can be useful to know, especially if you are searching for information online. Some other common synonyms for benzedrine include amphetamine, pep pill, and speed. It's important to note that while these drugs may have similar effects, they are not necessarily interchangeable, and they may have different side effects or risks associated with their use. If you are considering using any stimulant medication, it's important to do your research and talk to a medical professional.