When people think about Adderall, they might think about its use as a treatment for ADHD or its potential for abuse as a study drug. However, Adderall is also capable of causing long-term changes in the brain. In fact, studies have shown that Adderall can alter the brain's chemistry in ways that are similar to other addictive substances. As a result, stopping Adderall can lead to withdrawal symptoms such as fatigue, depression, and difficulty concentrating. In some cases, these symptoms can persist for weeks or even months after stopping the drug. However, with time and patience, most people are able to recover from Adderall's effects on the brain. While it may take some time to feel like yourself again, it is possible to get your brain back to normal after quitting Adderall.