Dextroamphetamine is a psychostimulant drug

Drug

A drug, broadly speaking, is any substance that, when absorbed into the body of a living organism, alters normal bodily function. There is no single, precise definition, as there are different meanings in drug control law, government regulations, medicine, and colloquial usage.In pharmacology, a...

 which is known to produce increased wakefulness and focus as well as decreased fatigue and decreased appetite

Appetite

The appetite is the desire to eat food, felt as hunger. Appetite exists in all higher life-forms, and serves to regulate adequate energy intake to maintain metabolic needs. It is regulated by a close interplay between the digestive tract, adipose tissue and the brain. Decreased desire to eat is...

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Dextroamphetamine is the dextrorotatory

Levorotation and dextrorotation

Dextrorotation and levorotation refer, respectively, to the properties of rotating plane polarized light clockwise or counterclockwise , seen by an observer whom the light is approaching...

, or "right-handed", stereoisomer of the amphetamine molecule. The amphetamine molecule has two stereoisomers; levoamphetamine

Levoamphetamine

Levoamphetamine is a psychostimulant known to increase wakefulness and focus in association with decreased appetite and fatigue. Levoamphetamine is the levorotary stereoisomer of the amphetamine molecule...

 and dextroamphetamine. Names for dextroamphetamine include d-amphetamine, dexamphetamine, dexamfetamine, and (S)-(+)-amphetamine, with brand names to include Dexedrine and Dextrostat.

The dextroamphetamine salts constitute around 75% of the ADHD drug Adderall

Adderall

Adderall is a brand name of amphetamine salts–based medication used for attention-deficit hyperactivity disorder and narcolepsy. It is a brand-name psychostimulant medication composed of racemic amphetamine aspartate monohydrate, racemic amphetamine sulfate, dextroamphetamine saccharide, and...

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