Description

Inada and Inagaki reported dose equivalence for drugs used as anxiolytics, sedatives and hypnotics in Japan. The authors are from Seiwa Hospital and Aoyama Gakuin University in Japan.


 

Drug

Equivalent Dose

alprazolam

0.8

bromazepam

2.5

chlordiazepoxide

10

clobazam

10

clonazepam

0.25

clorazepate

7.5

clotiazepam

10

cloxazolam

1.5

diazepam

5

etizolam

1.5

fludiazepam

0.5

flutazolam

15

flutoprazepam

1.67

loflazepate

1.67

lorazepam

1.2

medazepam

10

mexazolam

1.67

oxazepam

15

oxazolam

20

prazepam

12.5

tandospirone

25

tofisopam

125

 

 

Drug

Equivalent Dose

amobarbital

50

barbital

75

bromvalerylurea

500

brotizolam

0.25

butoctamide

500

chloral hydrate

250

estazolam

2

eszopiclone

2.5

flunitrazepam

1

flurazepam

15

haloxazolam

5

lormetazepam

1

nimetazepam

5

nitrazepam

5

Passiflora extract

100

pentobarbital

50

phenobarbital

15

quazepam

15

rilmazafone

2

secobarbital

50

triazolam

0.25

zolpidem

10

zopiclone

7.5

 

where:

• Butoctamide is no longer available in Japan.

 

multiple of the equivalent dose =

= (actual dose) / (equivalent dose)

 

To convert to another drug in the table:

 

dose for new drug =

= (multiple of the equivalent dose for previous drug) * (equivalent dose for new drug)


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