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Commonly Used/Abused Pharmaceuticals
Drug Name
Other Name
Purpose
Hydrocodone
Oxycodone
Alprazolam
Hydromorphone
Morphine
Fentanyl
Buprenorphine

 

Opiate Chart and Comparison

Analgesic / Opioid
Strength* (Codeine)
Equivalent Dose
(30 mg codeine)
Aspirin (non-opioid)
1/36
1080 mg
Diflunisal (NSAID, non-opioid)
1/16
480 mg
Dextropropoxyphene
1/4
120 mg
Codeine
1
30 mg
Tramadol
1
30 mg
Anileridine
2.5
12 mg
Pethidine
3.6
8.3 mg
Hydrocodone
6
5 mg
Morphine
10
3 mg
Oxycodone
15-20
1.5 - 2.0 mg
Morphine IV/IM
40
0.75 mg
Hydromorphone
50
0.6 mg
Oxymorphone
70
0.4 mg
Levorphanol
80
0.26 mg
Buprenorphine
400
0.075 mg
Fentanyl
500-1000
0.03-0.06 mg
Carfentanyl
1,000,000
30 pg
(Used only in sedating large animals)

* In simple terms, analgesic (pain relief) "strength" in this table means how much more or less potent is the indicated drug compared to codeine (as a commonly prescribed opiate). For example, for the same number of milligrams taken, morphine is approximately 10 times (10x) stronger than codeine, whereas aspirin is approximately 36 times weaker than codeine (1/36x), in most people.

Because some of these compounds (for example, codeine, but not morphine) are prodrugs, differences amongst people in their liver enzymes (such as the cytochrome P450 enzyme CYP2D6) may result in a significantly altered drug effect.