Adderall is a combination medication that is used to treat attention-deficit hyperactivity disorder. You can buy Adderall online also for the management of narcolepsy. This drug helps you get rid of attention problems by changing or strengthening certain chemicals in the brain. As a combination drug, Adderall contains two salts, amphetamine, and dextroamphetamine. The CNS stimulants like amphetamine and dextroamphetamine affect brain and nerve chemicals that cause hyperactivity and impulse control. This drug comes in several doses that you can take as per your requirement. You should not take the Adderall extended-release form or immediate-release form for longer than prescribed. ​ You can use this drug for other determinations, which are not present here. The stimulants of this drug act by changing the number of natural substances in the brain of the patients; it affects hyperactivity and impulse control of the patients.