A stimulant medication used to treat ADHD and narcolepsy, made of the right-rotating form of amphetamine that is more potent than its left-rotating counterpart.
From 'dextro-' (right-rotating) plus 'amphetamine'. The distinction between dextro- and levo-amphetamine was crucial because they have different effects—dextro- is much more stimulating.
Amphetamine molecules come in two mirror-image forms like left and right hands—dextroamphetamine is 3-4 times more potent than levoamphetamine for ADHD, showing how a single atom arrangement difference can dramatically change a drug's power.
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