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Facts

Comparison of strength
NameStrength factor
Morphine1
Oxycodone1
Hydrocodone0.9
Dihydrocodeine0.3
Codeine0.15

The Equianalgesic dose table can be used as a comparison of doses of different opiate agonists. All IM and PO doses in this chart are considered equivalent to 10 mg of IM morphine in analgesic effect. IM denotes intramuscular, PO oral, and PR rectal. All quantities are represented in milligrams.

Equianalgesic dose
NameIMPO
codeine130200
oxycodone1530
hydrocodone30
morphine1060
hydromorphone1.57.5
methadone1020
levorphanol24
oxymorphone110 (PR)
heroin560
meperidine75N/A

Related information: Opiate dosage calculator (@ Talaria)