Adderall is a stimulant medication approved to treat Attention Deficit Hyperactivity Disorder (ADHD). It acts on the nervous system to increase alertness, focus, and concentration. Adderall is a combination of two drugs, amphetamine and dextroamphetamine. It works by increasing the levels of the neurotransmitters dopamine and norepinephrine, which helps to improve focus and concentration. Adderall is commonly prescribed to children, teenagers, and adults who have difficulty staying focused and paying attention. It is also used off-label to treat narcolepsy and other sleep disorders. Adderall can have a variety of side effects, such as headaches, dry mouth, insomnia, and stomach upset. It can also be habit-forming and should be taken with caution. Adderall is a powerful medication and should only be taken under the guidance of a medical professional.