You can buy Adderall online with or without a prescription; if you have inattentive add, symptoms ADHD, attention deficit insomnia, narcolepsy, and so on. Adderall, an ADHD medication combining amphetamine and dextroamphetamine, is used to control impulse and hyperactivity in narcolepsy and ADHD, is primarily used in Canada and the United States. Individuals with stimulant medicine allergies or those with severe heart or coronary artery disease, high blood pressure, intense anxiety, or drug or alcohol addiction should avoid Adderall.