Naloxone

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Naloxone is a widely used drug that can reverse the effects of opioid drugs like heroin, methadone, opium, codeine, morphine and buprenorphine. It is only effective for opioid overdoses and won’t work with any other drug.

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Naloxone kits can come as either Prenoxad, which is a pre-filled syringe that you can find out how to use here. Or as Nyxoid, which is a nasal spray that you can find out how to use here.

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Naloxone will begin to work in 2-5 minutes, and the effects of naloxone will last between 20-40 minutes. After that time, the effects will wear off and the person may go back into overdose – medical help is crucial for the person during this time. You have to phone 999 and ask for an ambulance after giving naloxone.