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Useful Drug Equivalence Tables

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The Nuts & Bolts

 

Common Opiates - Comparison Chart

Drug

Trade/Street name

Equivalent dose

Duration

Abuse Potential

 Opium Omnopon 10 - 20 mg 4-5 hrs Mod - High

Morphine

Generic

10mg

4-5 hrs

High

Codeine

Generic

120mg

4-5 hrs

Low

Diamorphine

Heroin

3mg

3-4 hrs

High

Buprenorphine

Temgesic

0.2 - 0.6mg

6-8 hrs

Low

Dihydrocodeine

DF118

30mg

4-5 hrs

Moderate

Dipipanone

Diconal

10mg

4-5 hrs

High

Dextromoramide

Palfium

5-10mg

4-5 hrs

High

       Oxycodone

Oxycontin

5mg

4-6 hrs

High

Dextropropoxyphene

Co-Proxamol

60-120mg

4-5 hrs

Low

Pethidine

Generic

50-150mg

2-4 hrs

High

Pentazocine

Fortral

30-50mg

3-4 hrs

Low-Moderate

? Methadone

(Fat soluble)

Physeptone

10mg

24 hrs +

High

 

 

OPIATE WITHDRAWAL SYMPTOMS

Onset 6-12hrs after last dose or earlier Restlessness; insomnia; Diarrhoea; Running eyes/nose; Yawning; Dysphoria;Sweating;Drug craving; severe headaches;irritability; anorexia; aches and pains; Abdominal cramps; Nausea & Vomiting; Tremors; Depression; Raised Pulse and BP; Chills and goose bumps (‘Cold Turkey’); Hot flushes; Kicking of legs (‘Kicking the habit).

 

 

 

BENZODIAZEPINE EQUIVALENCY

Proper Name Trade Name Dose Half-Life* 
Diazepam Valium 10mg 40 hrs 
ClonazepamRivotril 0.5mg 60 hrs 
Lorazepam Ativan1mg 30 hrs
Chlordiazepoxide Librium 20-30mg 17 hrs 
Oxazepam Oxazepam 20mg 10 hrs
Temazepam Euhypnos 20mg  8 hrs
Zopiclone Zimovane 15mg  5 hrs
Zolpidem Stilnoct 20mg  2 hrs 
Zaleplon Sonata 20mg  1 hr
Aprazolam Xanax 0.5mg  ? 

* This is the average time half of the drug is eliminated from the body.

It can vary a lot, but if it is long, like Diazepam, there are less withdrawal problems

although likewise there may be a slower start to the tranquillizing effect.