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the claim

Opioid drugs cause pinpoint pupils in people who take them.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 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 opioid drugs cause pinpoint pupils in people who take them?

Yes. A pharmacology review states that opiates act on opioid receptors and decrease pupillary size, and two clinical references list pinpoint pupils among opioid overdose signs. The general claim that opioids cause pinpoint pupils in people who take them is supported, though the clinical sources frame it mainly as an overdose sign.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 3
Opioids and Opioid Use Disorder (OUD)
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Opioids and Opioid Use Disorder (OUD). (n.d.). medlineplus.gov. https://medlineplus.gov/opioidsandopioidusedisorderoud.html

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More for · 2
Illicit drugs: Effects on eye -
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Illicit drugs: Effects on eye - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.4103/ijmr.IJMR_1210_17

The Prevalence of Opioid Overdose in Young VS. Old Patients: A Literature Review
2024
Get citation
The Prevalence of Opioid Overdose in Young VS. Old Patients: A Literature Review. (2024). hal.science. https://hal.science/hal-05131478v1

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