Table 2

Opiate analgesia converted to morphine equivalent dose

Opiate analgesiaRouteTypical doseTotal 24 h doseEquivalent morphine 24 h doseFour hourly oral morphine doseRelative potency to oral morphine (24 h)
Codeine22Oral60 mg four times a day240 mg24 mg4 mg0.1
Dihydrocodeine22Oral60 mg four times a day240 mg24 mg4 mg0.1
Tramadol22Oral50 mg four times a day240 mg40 mg6.6 mg0.2