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17,447 samples completed from 41 states. Last updated Tuesday, November 18, 2025.
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809968

From Hamilton, Ohio on October 22, 2025

Assumed to be fentanyl

Only 1 major substance detected:

  • methamphetamine

But we found lots of contaminants too, with traces of diphenhydramine + medetomidine + cocaine + fentanyl + 4-ANPP + lidocaine + N-propionitrile chlorphine. Trace substances in small quantities are usually harmless, but can sometimes cause health problems. Unexpected sensations may be due to these.

There were just traces of fentanyl. This could have been contamination, like if drugs were stored in old bags. But since fentanyl is so potent you should be prepared. Consider getting fentanyl test strips online or from a harm reduction program if you weren't expecting it. Carry naloxone (Narcan) to reverse overdoses. Even traces of fentanyl could be a problem if you don't use opioids regularly. Don't use alone so someone can help if you go out.

Looks = gray, rock

Need free supplies and advice to keep you safe? Find your nearest harm reduction program at harmreduction.org

Major substances in graph:

Peak: 3.9 = methamphetamine

Method(s): GCMS

Record for Sample 809968 last updated November 4, 2025