Pholedrine
Introduction '''Pholedrine''' ('''Paredrinol''', '''Pulsotyl''', '''Veritol'''), also known as '''4-hydroxy-''N''-methylamphetamine''' ('''4-HMA'''), '''4-hydroxymethamphetamine''', and '''''para''-hydroxymethamphetamine''', is a drug that stimulates the sympathetic nervous system. It is administered as a topical eye drop form for the purpose of dilating the pupil and can be used to diagnose Horner's syndrome.4-hydroxymethamphetamine is also a major metabolite of methamphetamine.
See also * Norpholedrine* Tyramine* Hordenine
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