United States Drug Enforcement Administration

Fentanyl is a potent synthetic opioid drug approved by the Food and Drug Administration for use as an analgesic (pain relief) and anesthetic. It is approximately 100 times more potent than morphine and 50 times more potent than heroin as an analgesic.

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snorted/sniffed, smoked, orally by pill or tablet, spiked onto blotter paper, patches, sold alone or in combination with heroin and other substances, has been identified in fake pills, mimicking pharmaceutical drugs such as oxycodone.

Similar to other opioid analgesics, fentanyl produces effects such as: relaxation, euphoria, pain relief, sedation, confusion, drowsiness, dizziness, nausea and vomiting, urinary retention, pupillary constriction, and respiratory depression.

Overdose can cause stupor, changes in pupil size, clammy skin, cyanosis, coma, and respiratory failure leading to death. The presence of a triad of symptoms such as coma, pinpoint pupils, and respiratory depression strongly suggests opioid intoxication.