Opioid comparison chart

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Get your nod on, opiate lovers!

Comparison Chart

Drug Times more potent than codeine Dose equivalent to 30 mg codeine Times more potent than morphine (intravenous) Dose equivalent to 10 mg morphine (intravenous)
Aspirin * .027 1080 mg .0027 3600 mg
Dextropropoxyphene .250 120 mg .025 400 mg
Codeine 1 30 mg .1 100 mg
Tramadol ** 1 30 mg .1 100 mg
Dihydrocodeine 1 - 1.5 20 - 30 mg .166 - .1 67 - 100 mg
Pentazocine 1.7 18 mg .166 60 mg
Anileridine 2.5 12 mg .25 40 mg
Meperidine 3 9 mg .333 30 mg
Pantopon 5 6 mg .5 20 mg
Hydrocodone 6 5 mg 0.6 16.7 mg
Morphine (intravenous) 10 3 mg 1 10 mg
Dihydromorphine 11 - 12 2 - 3 mg 1.1 - 1.2 8-9 mg
Methadone *** 10 - 20 1.5 - 3 mg 1 - 2 5 - 10 mg
Oxycodone 15 - 20 1.5 - 2 mg 1.5 - 2 4.5 - 6 mg
Heroin (intravenous) 22 1.36 mg 2.2 4.5 mg
Hydromorphone 50 0.6 mg 5 2 mg
Butorphanol 50 - 60 .5 - .6 mg 5 - 6 1.5 - 2 mg
Oxymorphone 70 0.4 mg 7 1.4 mg
Levorphanol *** 80 0.26 mg 8 0.8 mg
Buprenorphine 400 0.075 mg (75 ug) 40 0.25 mg (250 ug)
Fentanyl 500 - 1000 0.03 - 0.06 mg (30-60 ug) 50 - 100 0.1 - 0.2 mg (100-200 ug)
Sufentanyl 5000 - 10,000 1 - 2 ug 500 - 1000 10 - 20 ug
Carfentanyl 100,000 0.3 ug 10,000 1 ug
(3R,4S,beta-S)-13-fluoro ohmefentanyl 180,000 0.2 ug 18,000 0.6 ug

Legend

* Not a narcotic
** SNRI
*** Over 6 hour duration

See also

Opioids

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