ketoprofen
A nonsteroidal anti-inflammatory drug C₁₆H₁₄O₃, derived from propionic acid, that has analgesic and antipyretic effects and acts by inhibiting the body's production of prostaglandin. It is used to treat dysmenorrhea and the symptoms of rheumatoid arthritis and osteoarthritis.

ketoprofene
Alternative form of ketoprofen.

ketorfanol
An opioid analgesic of the morphinan series.

ketorolac
A nonsteroidal anti-inflammatory drug often used as an analgesic and antipyretic.

knocko
Synonym of narco (“narcotics control officer”).

knockos
plural of knocko

leconotide
A peptide isolated from the venom of Conus catus, under investigation as an analgesic drug.

lefetamine
A particular narcotic painkiller.

lenitive
Analgesic, able to reduce pain or suffering.
Laxative; easing the bowels.
Mild; gentle.

lenitives
plural of lenitive

letimide
An analgesic drug.

levallorphan
An opioid antagonist from the morphinan family.

levomethorphan
A particular narcotic painkiller.

levophenacylmorphan
A morphinan derivative that acts as an opioid agonist.

levorphanol
An addictive drug used especially in the form of its hydrated tartrate C₁₇H₂₃NO·C₄H₆O₆·2H₂O as a potent analgesic with properties similar to morphine.

levoxadrol
An analgesic drug.

lidol
The opioid analgesic drug pethidine.

lofentanil
A particular narcotic painkiller.

lorcinadol
An analgesic drug.

meloxicam
A non-steroidal anti-inflammatory drug of the oxicam class (trademark Mobic), used to relieve the symptoms of arthritis and primary dysmenorrhea and as an analgesic.

meprodine
A particular narcotic painkiller.

meptazinol
A particular narcotic painkiller.

metamizol
Alternative form of metamizole.

metamizole
A non-steroidal anti-inflammatory drug used as a painkiller and fever reducer.

metazocine
A particular narcotic painkiller.

metethoheptazine
A particular narcotic painkiller.

metheptazine
A particular narcotic painkiller.

methopholine
A particular narcotic painkiller.

methylacetanilid
Archaic form of methylacetanilide.

methyldesorphine
An opiate analgesic with high potential for abuse.

methyldihydromorphine
A semisynthetic opioid drug related to heterocodeine.

methylketobemidone
A particular narcotic painkiller.

methylnaltrexone
A peripherally-acting μ-opioid antagonist that acts to reverse some of the side effects of opioid drugs such as constipation without affecting analgesia or precipitating withdrawals.

metonitazene
A potent synthetic opioid analgesic of the nitazene group, used as an illicit drug.

mirfentanil
A fentanyl derivative with strong selectivity for the μ-opioid receptor.

miroprofen
A phenylpropionate that is an analgesic and nonsteroidal anti-inflammatory drug.

monophenylbutazone
mofebutazone

monotal
The methylglycolate of guaiacol; once used as an analgesic

morpheridine
A strong analgesic, a 4-phenylpiperidine derivative related to pethidine.

moxazocine
An opioid analgesic of the benzomorphan family.

nabilone
A synthetic cannabinoid used therapeutically as an antiemetic and as an adjunct analgesic for neuropathic pain.

nabitan
A synthetic cannabinoid analogue of dronabinol, exhibiting antiemetic and analgesic effects.

nafoxadol
An analgesic drug.

nalbuphine
A synthetic opioid antagonist which is very similar to morphine in chemical structure and is given by injection (usually in the form of its hydrochloride) as an analgesic; (−)-(5R,6S,14S)-9a-cyclobutylmethyl-4,5-epoxymorphinan-3,6,14-triol, C₂₁H₂₇NO₄.

nalmexone
A semisynthetic mixed opioid agonist-antagonist with analgesic and narcotic antagonist properties.

nalorphine
A drug used to reverse opioid overdose.

naloxegol
A particular opioid receptor antagonist.

nantradol
An analgesic drug.

narco
Narcotics.
A Latin American drug baron, usually from Colombia or Mexico.
Acronym of narcotics control officer (“a police officer specializing in drug crimes”).

narcos
plural of narco

narcotic
Any substance or drug that reduces pain, induces sleep and may alter mood or behaviour; in some contexts, especially in reference to the opiates-and-opioids class, especially in reference to illegal drugs, and often both.
Any type of numbing or soothing drug.

narcotick
Obsolete form of narcotic.

narcoticks
plural of narcotick

narcotics
plural of narcotic

nicafenine
An analgesic drug.

nicoboxil
An analgesic drug.

nicomorphine
The 3,6-dinicotinate ester of morphine, a strong opioid agonist analgesic two to three times as potent as morphine.

nimesulide
A nonsteroidal anti-inflammatory drug with analgesic and antipyretic properties.

nonanalgesic
A drug that is not an analgesic.

nonanalgesics
plural of nonanalgesic

noracymethadol
A synthetic opioid analgesic related to methadone.

ocfentanil
An opioid analgesic.

ohmefentanyl
A particular narcotic painkiller.

operidine
The opioid analgesic drug pethidine.

opiod
Misspelling of opioid.

opioid
A substance that has effects similar to opium:
A substance that has effects similar to opium:

opioids
plural of opioid

oxies
plural of oxy

oxpheneridine
A 4-phenylpiperidine derivative related to the opioid analgesic drug pethidine.

oxy
The bivalent R-O-R functional group found in ethers.

oxycodone
An addictive, semisynthetic opioid (trademark OxyContin) that is similar to morphine in effect and structure; C₁₈H₂₁NO₄.

oxymorphine
Alternative form of oxymorphone.

oxymorphone
A particular narcotic painkiller.

palmidrol
An analgesic drug.

paracetamol
A synthetic compound used as a drug to relieve and reduce fever, usually taken in tablet form.

paracetamols
plural of paracetamol

pellucidin
An antinociceptive present in Peperomia pellucida

pentamorphone
14β-pentylaminomorphinone, a semisynthetic opiate derivative and analgesic.

pentazocine
A synthetic compound that is a potent nonaddictive analgesic, often given during childbirth.

pentazocines
plural of pentazocine

pethanol
The opioid analgesic drug pethidine.

phenacetin
Any of a class of analgesic and antipyretic drugs derived from acetanilide.
A specific antipyretic drug, also called acetophenetidin, with the formula C₁₀H₁₃NO₂.

phenacetine
Alternative form of phenacetin.

phenacetines
plural of phenacetine

phenacetins
plural of phenacetin

phenadoxone
A particular narcotic painkiller.

phenalgin
An ammoniated compound of phenyl and acetamide, used as an analgesic and antipyretic, and resembling phenacetin in its therapeutic action.

phenalgine
Alternative form of phenalgin.

phenampromide
A particular narcotic painkiller.

phenaridine
A particular narcotic painkiller.

phenazocine
A particular narcotic painkiller.

phenazon
Alternative spelling of phenazone.

phenazone
A particular analgesic.

phenazones
plural of phenazone

phenomorphan
A particular narcotic painkiller.

phenoperidine
A particular general anesthetic, an opioid.

phenylacetamide
Synonym of acetanilide.

phenylacetamides
plural of phenylacetamide

phenylbutazone
An anti-inflammatory and analgesic drug used to treat arthritis and gout.

phenylbutazones
plural of phenylbutazone

phenyltoloxamine
A particular antihistamine drug with sedative and analgesic effects.

pholcodine
An opioid antitussive, C₂₃H₃₀N₂O₄.

picenadol
A particular narcotic painkiller.

piminodine
A particular narcotic painkiller.

piridosal
The opioid analgesic drug pethidine.

piritramide
A particular narcotic painkiller.

pk
Abbreviation of pack.

pks
plural of pk

pravadoline
An anti-inflammatory and analgesic drug.

prodine
A particular narcotic painkiller.

profadol
An opioid analgesic.

proheptazine
A particular narcotic painkiller.

properidine
A particular narcotic painkiller.

propionylphenetidin
An analgesic, hypnotic, and antipyretic agent in fine whitish crystals, soluble in alcohol and ether and insoluble in water.

propiram
A particular narcotic painkiller.

propylketobemidone
A particular narcotic painkiller.

proxorphan
An opioid analgesic and antitussive drug of the morphinan family.