This medication is used to treat attention deficit hyperactivity disorder - ADHD. It works by changing the amounts of certain natural substances in the brain. Amphetamine belongs to a class of drugs known as stimulants. It can help increase your ability to pay attention, stay focused... This medication is also used to treat a certain sleeping disorder (narcolepsy) to help you stay awake during the day. It should not be used to treat tiredness or to hold off sleep in people who do not have a sleep disorder. Amphetamine may also be used along with a doctor-approved, reduced-calorie diet to help significantly overweight (obese) people lose weight. It should only be used for a short time (a few weeks) in people who have not lost enough weight with other treatments (such as dieting, other drugs, group programs). It may work by decreasing your appetite. View More Info

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