06/05/2026
Cychlorphine is 4 to 10 times stronger than fentanyl and it cannot be detected through rapid testing. You may need multiple doses of naloxone to reverse an overdose.
Never use alone and keep your Narcan supply stocked. Please let us know if you need more.
Drug supply alert — Learn more through the public health alert from the Center for Forensic Science Research & Education: bit.ly/ChlorphineDrugAlert
North American Syringe Exchange Network