Lucinda Rosenfeld of DoubleX's "Friend or Foe" gives some advice in a column entitled, "My friends ditched me when I got drugged!"  Herein follows the complete text, with my emphasis and commentary of RAGE.

Possibly triggery: it deals with the date-rape drug and possible assault, but with few details.

( While at the concert, someone 'slipped me a mickey'... )