Opioids are among the world’s oldest known drugs. The therapeutic use of the opium poppy predates recorded history. The analgesic, or painkiller like effect, of opioids are due to decreased perception of pain, decreased reaction to pain as well as increased pain tolerance.
- Can be detected up to three days in urine
- Vicodin (Hydrocodone)
- Oxycotin (Oxycodone)