Fentanyl High
Fentanyl is a synthetic opiate that is up to 100 times more potent than morphine. For this reason, a fentanyl high is addictive and lethal. Long-term use of fentanyl can lead to a wide range of side effects, including severe withdrawal symptoms. The National Institute on Drug Abuse (NIDA) classifies fentanyl as a synthetic opioid.
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