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the claim

Opioids include strong prescription pain relievers such as oxycodone, hydrocodone, fentanyl and tramadol, and the illegal drug heroin.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that opioids include strong prescription pain relievers such as oxycodone, hydrocodone, fentanyl and tramadol, and the illegal drug heroin?

Yes. The evidence items consistently confirm that opioids comprise strong prescription pain relievers like oxycodone, hydrocodone, fentanyl, and tramadol, alongside illicit substances like heroin.

Verdict: SUPPORTED · 7 sources for, 0 against · Last checked

How claims like this are judged

Judged against reference works: claims of this kind are settled by reference works, not journal abstracts.

Evidence for · 7
Reference article covering this claim directly
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Wikipedia: Opioid. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Opioid

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More for · 6
Reference article covering this claim directly
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Wikipedia: Oxycodone. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Oxycodone

Confirms fentanyl is a synthetic opioid.
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Federal Register: Procedures for Transportation Workplace Drug and Alcohol Testing Programs: Addition of Fentanyl to the Department of Transportation's Drug-Testing Panel; Harmonization With Certain Items in the HHS Ma. (n.d.). Federal Register. https://www.federalregister.gov/documents/2025/09/02/2025-16720/procedures-for-transportation-workplace-drug-and-alcohol-testing-programs-addition-of-fentanyl-to

Mentions hydrocodone and oxycodone as prescription opioid analgesics.
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PLOS (all journals): Impact of a Mandatory Prescription Drug Monitoring Program on Prescription of Opioid Analgesics by Dentists. (n.d.). PLOS (all journals). https://doi.org/10.1371/journal.pone.0135957

States opioid analgesics are prescription pain relievers such as oxycodone and hydrocodone.
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National Center for Health Statistics (US): Special Feature on Prescription Drugs - Health, United States, 2013. (n.d.). National Center for Health Statistics (US). https://www.ncbi.nlm.nih.gov/books/NBK209224/#specialfeature

Lists fentanyl, oxycodone, hydrocodone, and tramadol as opioid pain relievers, and heroin as an illicit drug.
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US Department of Health and Human Services: INTRODUCTION AND OVERVIEW OF THE REPORT - Facing Addiction in America. (n.d.). US Department of Health and Human Services. https://www.ncbi.nlm.nih.gov/books/NBK424857/#ch1

Discusses tramadol and oxycodone/hydrocodone as pain medications related to opioids.
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ClinicalTrials.gov: Comparison of the Effects of Tapentadol and Oxycodone on Gastrointestinal and Colonic Transit in Humans. (n.d.). ClinicalTrials.gov. https://clinicaltrials.gov/study/NCT01500317

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