not to be confused with an overdose.
occurrs when the effects of a drug become overwhelming to the user. could also occur because of the body becoming aware of the foreign chemicals within, and seeking to purge itself of the impurities.
extreme anxiety/paranoia may also induce this phenomenon
it is not uncommon for those who experience a "bad high" to feel revitalized and "normal" almost immediately after vomiting.
"She'll be okay, she just got a bad high."