Dextroamphetamine (also known as dextroamphetamine sulfate, dexamphetamine, dexedrine, Dexampex, Ferndex, Oxydess II, Robese, Spancap #1, and, informally, Dex), a stereoisomer of amphetamine, is an indirect-acting stimulant that releases norepinephrine from nerve terminals, thus promoting nerve impulse transmission. It increases motor activity and mental alertness, and reduces drowsiness and a sense of fatigue, decreasing motor restlessness and improves one's ability to pay attention. ...