Fentanyliontophoretic

Fentanyl, also spelled fentanil, is a powerful opioid used as a pain medication and, together with other medications, for anesthesia.[3] It is also used as a recreational drug, sometimes mixed with heroin, cocaine, or methamphetamine. Its potentially deadly overdose effects can be neutralized by naloxone.[5] Fentanyl is commonly used to create counterfeit drugs marketed as OxyContin, Xanax, Adderall, and other pills. It has a rapid onset and its effects general... [wikipedia]