Table 2

Equianalgesic Doses of Opioid Analgesics

Oral/Rectal Dose (mg)
Analgesic
Parenteral Dose (mg)

100
Codeine
60
-
Fentanyl
0.1
15
Hydrocodone
-
4
Hydromorphone
1.5
2
Levorphanol
1
150
Meperidine
50
10
Methadone
5
15
Morphine
5
10
Oxycodone
-

Equianalgesic Table of Opioids adapted from Levy

Ferris et al. BMC Palliative Care 2002 1:5   doi:10.1186/1472-684X-1-5