" but I don’t know how long before such drugs take effect.":...

  1. 42,725 Posts.
    lightbulb Created with Sketch. 642
    " but I don’t know how long before such drugs take effect.": rohypnol; 30 min. temazepam; 15 min. plenty of other drugs in liquid form take effect more quickly, eg ketamine and GHB.
 
arrow-down-2 Created with Sketch. arrow-down-2 Created with Sketch.