Health Department Warns of Cychlorphine in Northern Michigan
District Health Department No. 10 warns residents of ten counties about the synthetic opioid Cychlorphine and offers free naloxone.
Updated on Nov. 10, 2026 in Substance Abuse
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District Health Department No. 10 issued a warning to residents of ten Northern Michigan counties about Cychlorphine, a synthetic opioid linked to fatal overdoses across the United States. The department says the drug has been found in illicit drug supplies in multiple states and has no accepted medical use in the country.
Why it matters
Cychlorphine can be up to 10 times more potent than fentanyl and may be mixed into methamphetamine, cocaine, fentanyl, and other illicit substances without users' knowledge. Because standard drug test strips cannot detect it, residents may consume it unknowingly.
Cychlorphine can be up to 10 times more potent than fentanyl, according to the health department warning. The warning covers ten Northern Michigan counties, but the extraction does not report local case counts or confirmed local detections.
The players
District Health Department No. 10
A public health agency serving ten Northern Michigan counties that runs a Syringe Service Program offering free naloxone and training.
The details
The warning covers Crawford, Kalkaska, Lake, Manistee, Mason, Mecosta, Missaukee, Newaygo, Oceana, and Wexford counties. Officials advise that signs of an opioid overdose include unresponsiveness and slow or stopped breathing, and that multiple doses of naloxone may be needed to counteract Cychlorphine's effects.
Timeline
November 10, 2026: District Health Department No. 10 issues the Cychlorphine warning to residents of ten Northern Michigan counties.
Health Landscape
Cychlorphine follows the pattern of fentanyl, which reshaped overdose risk in Michigan and across the country after illicit supplies became contaminated with synthetic opioids. Its identification in multiple states' toxicology investigations suggests the threat is spreading beyond a single region.
Residents should keep naloxone on hand and know that multiple doses may be needed in an overdose. Because Cychlorphine cannot be detected with standard drug test strips, people who use illicit drugs should treat any unknown supply as potentially dangerous.
The takeaway
Carrying naloxone and knowing overdose signs can make a difference when a drug supply is unpredictable. Free naloxone training and distribution are available through the health department's Syringe Service Program.
Further reading
For more on the risks of illicit drug supplies, see Substance Abuse coverage.
Source note: This article includes information reported by 9 & 10 News.
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