Quote Originally Posted by Erowid
The effects of exogenous adrenochrome have not been thoroughly documented, it is reputed to cause disorientation and hallucinations.

Adrenochrome monosemicarbazone, a pharmaceutical derivative of adrenochrome, was described in Adam Gottlieb's 1973 book Legal Highs, as "Physical (sic) stimulating, feeling of well-being, slight reduction of thought processes."
Fear and Loathing is a great movie, by the way.