What is Fentanyl? Fentanyl is a synthetic opioid that was first developed in 1959 and introduced in the 1960s as an intravenous anesthetic. Fentanyl was also used for pain management as a transdermal patch in cancer patients. It is 50-100 times stronger than morphine. As an illicit drug, fentanyl is added to heroin to increase potency. […]
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