Question

1. where, or in what drugs, can fentanyl be found?

Explanation:

Fentanyl is a powerful synthetic opioid. It can be found in some prescription pain - relievers like Actiq (fentanyl citrate lollipop), Duragesic (fentanyl transdermal patches) for severe pain management. It is also a common ingredient in illicit drugs on the street, often mixed with heroin, cocaine, methamphetamine, and counterfeit pills to increase their potency.

Answer:

Fentanyl can be found in some prescription pain - relievers such as Actiq and Duragesic, and also in illicit street drugs like heroin, cocaine, methamphetamine, and counterfeit pills.