Static Library Class
Opioid
Opioid substances in the DrugsPRO library. Browse static substance pages, summaries and related harm reduction context without JavaScript.
Substances In This Class
These static substance pages were matched from the shared DrugsPRO library dataset used for prerender and no-JS delivery.
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morphine
Morphine is the principal alkaloid of the opium poppy (Papaver somniferum) and the prototypical opioid analgesic. First isolated by Friedri…
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morphinenoxide
Morphine-N-oxide (genomorphine) is an active opioid metabolite of morphine. Morphine itself, in trials with rats, is 11–22 times more poten…
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mt45
A synthetic opioid drug that was rumoured to be roughly 80% the potency of Morphine orally. Was created by Dainippon Pharmaceutical in the…
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n2cfentanyl
The N-(2C)-fentanyl series, is the 2C family coupled with fentanyl.
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nalbuphine
Nalbuphine, sold under the brand names Nubain among others, is an opioid analgesic which is used in the treatment of pain. It is given by i…
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naloxone
Naloxone (commonly sold under the brand names Narcan and Evzio) is a synthetic mu-opioid antagonist of the morphinan chemical class that is…
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naltrexone
Naltrexone is an opiate antagonist used in the treatment of opiate and alcohol addiction. It blocks the effects of opiates so that if a use…
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ndesethyl_protonitazene
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ndesethylisotonitazene
N-Desethylisotonitazene (norisotonitazene) is a benzimidazole opioid with potent analgesic effects which has been sold as a designer drug.…
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ndesethylmetonitazene
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ndesmethyl_bromadol
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ndp
One known source in the RC community claims that NDP's potency is 20x stronger than fentanyl. User reports describe pronounced sedation wit…
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nicomorphine
Nicomorphine is a semi-synthetic opioid agonist of the morphine family, classified as both an opioid and a depressant. It is estimated to b…
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nndimethyl_etonitazene
N,N-Dimethyl etonitazene has been identified by trusted drug-checking services in 2 published analytical results during 2025, 2026. These w…
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norcodeine
Norcodeine is an opiate analogue that is the N-demethylated derivative of codeine. It has relatively little opioid activity in its own righ…
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normorphine
Normorphine is an opiate analogue, the N-demethylated derivative of morphine, that was first described in the 1950s when a large group of N…
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npiperidinyl_etonitazene
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npyrrolidino_ethylene_isotonitazene
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npyrrolidino_metodesnitazene
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npyrrolidino_metonitazene
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