Tags: Drug.
Levomethamphetamine (other names include l-methamphetamine levodesoxyephedrine l-desoxyephedrine levmetamfetamine) is the levorotary (R-enantiomer) form of methamphetamine. Levomethamphetamine is a sympathomimetic vasoconstrictor which is the active ingredient used in some over-the-counter nasal decongestants including the US formulation of Vicks Vapor Inhaler but not the Canadian or Indian formulations which contain only menthol and camphor.
