Adderall 5mg is a prescription medication that belongs to a class of drugs called central nervous system (CNS) stimulants. It is primarily used to treat Attention-Deficit Hyperactivity Disorder (ADHD) and narcolepsy. Adderall 5mg is the immediate-release (IR) form of the drug and contains a low dose, making it commonly used as a starting dose for new patients, including children and adults.