Equianalgesia Table

Opioid Agonist Oral Parenteral Dosing Interval Required Forms Available      
       
PO    
Transdermal
IV
SQ
Morphine
30 mg
10 mg

 q 3 - 4 h

Tabs,  Liquid,  Sustained release
--
+ +
Hydromorphone (Dilaudid)
7.5 mg
1.5 mg

 q 3 - 4 h

 Tabs

--
+
+

Meperidine (Demerol)

300 mg
100 mg
q 2 - 3 h

 Tabs

--
+
+

Methadone

20 mg
10 mg
q 6 - 8 h,
quite variable
Tabs,
 Liquid
--
(+)
--

Fentanyl
(Duragesic)

variable*

--

transdermal patches: q 3 days

--
+
+
+

Oxycodone
(Oxycontin)

20 mg
N/A
q 3 - 4 h

 Tabs,
 Sustained      release

--
--
--

Hydrocodone

30 mg
N/A
q 3 - 4 h
Tabs,
 Liquid
--
--
--

Codeine

180 -   200 mg

 N/A

 q 3 - 4 h

Tabs,
 Liquid
--
--
--