Levoamphetamine increases wakefulness for 2 hours.
, equal parts) mixture of the free bases or sulfate salts of both amphetamine enantiomers (levoamphetamine and dextroamphetamine) that was introduced in the United States in 1934 as an inhaler for treating nasal congestion
 It is approved for the treatment of narcolepsy, ADHD, and exogenous obesity

