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Thread: Benzodiazepine Equivalency/Half-Life/Dose Chart

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    Benzodiazepine Equivalency/Half-Life/Dose Chart 
    #1
    Bluelighter K'dOUTinAZ's Avatar
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    Capsule
    (Benzodiazepine) (Dose Comparison) (Peak) (Half-life)


    Alprazolam 0.25 1-2hrs. 9-20hrs.
    (Xanax)
    Bromazepam 3.0 0.5-4hrs. 8-30hrs.
    (lexotan)
    Chlordiazepoxide 12.5 1-4hrs. 24-100hrs.
    (librium)
    Clobazepam 10 .5-4hrs. 12-60hrs.
    (Frisium)
    Clonazepam 0.25 1-4hrs. 19-60hrs.
    (klonopin)
    Clorazepate 7.5 dose variable 40-50hrs.
    (Tranxene)
    Diazepam 5 1-2hrs. 20-50hrs.
    (Valium) (*30-200)
    Estrazolam 1 1-1.5hrs. 8-24hrs.
    (ProSom)
    Flunitrazepam 0.5 1-1.5hrs. 20-30hrs.
    (Rohypnol)
    Flurazepam 15 0.5-1hrs. 40-114hrs.*
    (Dalmane)
    Halazepam 10 1-3hrs. 14hrs.
    (Paxipam) (*30-96)
    Ketazolam 7.5 3.2hrs. 30-200hrs.
    (Anxon)
    Loprazolam 1 2-4hrs. 8-10hrs.
    (Dormonoct)
    Lorazepam 0.5 2-4hrs. 8-24hrs.
    (Ativan)
    Lormetazepam 1 1-1.5hrs. 10-12hrs.
    (Noctamid)
    Midazepam 5 0.3-0.5hrs. 1-4hrs.
    (Nobrium)
    Nitrazepam 5 0.5-2hrs. 18-25hrs.
    (Insoma)
    Oxazepam 10 2-3hrs. 3-25hrs.
    (Serax)
    Prazepam 10 2.5-6hrs. 30-100hrs.
    (Centrax)
    Quazepam 10 1.5hrs. 25-41hrs.
    (Doral) (*39-120)
    Temazepam 10 0.3-0.7hrs. 5-15hrs.
    (Restirol)
    Triazolam .25 1-2hrs. 3-4hrs.
    (Halcion)





    Hypnotic Benzodiazepines include the following:
    Loprazolam
    Lormetazepam
    Nitrazepam
    Temazepam
    Triazolam

    Anxiolytic Benzodiazepines include the following:
    Alprazolam
    Chlordiazepoxide
    Diazepam
    Lorazepam
    Oxazepam

    Anti-Convulsant Benzodiazepines include the following:
    Clonazepam
    Clobazam

    Anaesthetic/Pre-Medication Benzodiazepines include:
    Midazolam


    Withdrawl from benzodiazepines may require taper and/or switching benzodiazepine to relative dose. The following are benzodiazepines equivalent to 10mg of diazepam, a usual procedure:

    Alprazolam .5mg
    Bromazepam 6mg
    Chlordiazepoxide 25mg
    Clobazam 20mg
    Clonazepam .5mg
    Clorazepate 12mg
    Fluitrazepam 1mg
    Flurazepam 15-30mg
    Loprazolam 1-2mg
    Lorazepam 1mg
    Lormetazepam 1-2mg
    Midazepam 10mg
    Prazepam 20mg
    Nitrazepam 10mg
    Oxazepam 20mg
    Temazepam 20mg
    Triazolam 0.5mg
    **Non-benzodiazepines
    Zolpidem 20mg
    Zaleplon 20mg
    Zopiclone 15mg



    Although rather accurate, it is difficult to compare benzodiazepine potency on the same scale since they differ in their anxiolytic, sedative, and antipanic effects. Still this scale provides a rough comparison useful for managing benzodiazepine taper or withdrawl

    ...I hope that you guys find this useful...did a lot of searching.
    Last edited by K'dOUTinAZ; 02-06-2004 at 20:42.
     

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    #2
    Bluelight Crew @lterEgo's Avatar
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    that list looks like it took a lot of effort... thanks for putting it together!

    for future reference, bluelight has included a pretty damn comprehensive look at benzos in the FAQ. it's called "Benzodiazepines: How They Work and How to Withdraw" by C. Heather Ashton.

    check out the link to the FAQ post: >>click here<<

    if you can't access the thread on our FAQ, >>click here<< for an online version of the book.

    i posted this information in another forum as well, but the book is a gold mine of information so i'm going to keep pointing it out.
     

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    #3
    Bluelighter GrOwThSpUrT's Avatar
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    Thanks a lot man, that is a good list, and from what I know it`s pretty accurate, but is 1mg xanax really the equivalent of 10mg diazepam? I would think 1mg of xanax would hit you harder.
     

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    #4
    Bluelighter infinity's Avatar
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    Originally posted by GrOwThSpUrT
    Thanks a lot man, that is a good list, and from what I know it`s pretty accurate, but is 1mg xanax really the equivalent of 10mg diazepam? I would think 1mg of xanax would hit you harder.
    faster maybe..
     

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    #5
    klonopins are 1/2 the dosage of Xanax?! So when i took 3mgs on no tolerance it would be the sameas tking 6mg's of xanax? that doesnt seem right to me...

    wait, now that i read your second chart it says it is half to potency of xanax? am i reading this wrong or is it contredictory

    dont get me wrong though, this is a great chart and it looks like you put alot of effort into it
     

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    Cause It's So Close To My Heart. My Little Logs. 
    #6
    Ex-Bluelighter UnSquare's Avatar
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    Originally posted by GrOwThSpUrT
    Thanks a lot man, that is a good list, and from what I know it`s pretty accurate, but is 1mg xanax really the equivalent of 10mg diazepam? I would think 1mg of xanax would hit you harder.
    Yeah, 1mg alprazolam is, like, 20mg diazepam.
    Both from extensive personal experience and -

    http://www.benzo.org.uk/
    Go to the equivalency chart.

    K'dOUTinAZ may have just made a 'lil mistake.
    Otherwise everything seems pretty spot on.
    Good Work.


    Peace
    UnS
     

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    Re: Cause It's So Close To My Heart. My Little Logs. 
    #7
    Bluelighter K'dOUTinAZ's Avatar
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    Originally posted by UnSquare
    Yeah, 1mg alprazolam is, like, 20mg diazepam.
    Both from extensive personal experience and -

    http://www.benzo.org.uk/
    Go to the equivalency chart.

    K'dOUTinAZ may have just made a 'lil mistake.
    Otherwise everything seems pretty spot on.
    Good Work.


    Peace
    UnS
    Actually I had it correct on the original chart comparison...but made a boo-boo on that second one, thanks for clearing that up!
     

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    #8
    Temazepams are whacky pills. Used to take the yellow capsules (20s)
    And they have a strange blackout that goes along with them. Always wake up and cant remember large chunks of the night before.
    Actually got kicked out of a band for taking those. It always seems like (to oneself) that you are acting normal and not slurring etc, but in reality you sound and look really loaded.
     

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    #9
    Bluelight Crew negrogesic's Avatar
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    I am trying to detox from 60mg of pure powder of diazepam or nor-diazepam, i cant figure out which one it is, but they are of equal potency. The problem is pure powder is harder to deal with and less consistent than tablets, and my scale weighs down to only 10mg increments. I need to either get some tablets, or a milligram scale.
     

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    #10
    Bluelighter K'dOUTinAZ's Avatar
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    If anybody may happen to find a link that is inconsistent with the one I have provided please post it so I can check it out and edit. I want to make sure that this is up to date. I have been basing this on three different benzodiazepine equivalency charts and often over time some doses are changed. This is due to the difficulty comparing anxiolytic, hypnotic, and anti-convulsant effects.
     

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    #11
    Bluelighter
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    Thank you very very much. It is blue lighters like you that I look up to!
     

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    #12
    Ex-Bluelighter the armed forces's Avatar
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    I thought that Clonazepam was half the strength of Alprazolam. Hmm... it could be wrong on the chart, or I could be wrong.

    http://www.dr-bob.org/tips/bzd.html
     

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    #13
    Thanks heaps for this information!

    Shit! It's time I stopped using benzos recreationally! - The withdrawl sounds like a fucker. I have enough problems and now after reading this I can see how much I've been eating!

    shals

    !
     

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    #14
    Bluelighter K'dOUTinAZ's Avatar
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    Originally posted by the armed forces
    I thought that Clonazepam was half the strength of Alprazolam. Hmm... it could be wrong on the chart, or I could be wrong.

    http://www.dr-bob.org/tips/bzd.html
    Dr.Bob's benzodiazepine equivalence tables are not very accurate, I used to go to his web sites until I started to think that some of the doses were questionable. They would keep changing!?! So I decided to go to the "most efficant benzodiazepine website"

    www.benzo.org.uk

    And no, clonazepam and alprazolam are equivalent
     

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    #15
    Ex-Bluelighter the armed forces's Avatar
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    ^^ Thanks. Maybe I should have dosed higher on clonazepam then. Oh well, what can ya do? Thanks for the chart; it will be sure to link it to anyone with benzodiazepine dosage problems. Rock on.
     

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    #16
    This thread should become a Sticky at the top of the page. I really don't think anyone wants to see it disappear, and having it always immediately available would be great.
     

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    #17
    Bluelighter blahblahblah's Avatar
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    Equivalency charts are sooo subjective, as ppl react vastly different to certain benzos, but yea the chart can give a rough generalized idea.


    but


    Triazolam 0.5mg = 10mg of Valium

    Ha, I dont know what pills the guy who was making that chart was on...
     

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    #18
    Bluelighter sourlemone's Avatar
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    yeah, 20mg of temazepam equivalent to 10mg of valium? that doesn't make sense to me, 25-30mg of temazepam chilled me out way more than the same valium dose, even ~60mg of valium i never really liked, but that's just personal preference...i've been off benzos for a little while though, my memory is pretty fuzzy
     

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    #19
    Bluelighter K'dOUTinAZ's Avatar
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    _________Although rather accurate, it is difficult to compare benzodiazepine potency on the same scale since they differ in their anxiolytic, sedative, and antipanic effects. Still this scale provides a rough comparison useful for managing benzodiazepine taper or withdrawl_______

    *Triazolam 0.5mg = 10mg of Valium*
    Comparision between an anxiolytic and hypnotic

    *20mg of temazepam equivalent to 10mg of valium*
    Comparision between an anxiolytic and hypnotic

    EDIT
    Original post was updated with more accurate information
    Last edited by K'dOUTinAZ; 02-06-2004 at 20:24.
     

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    #20
    20 mg ambien = .5 mg xanax? doesnt seem right
     

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    #21
    Bluelighter
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    Originally posted by shal
    Thanks heaps for this information!

    Shit! It's time I stopped using benzos recreationally! - The withdrawl sounds like a fucker.
    !
    yeah, that's why i only use it on comedowns from stimulants which is like once a week at most.
     

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    #22
    Talking
    Very useful information dude.

    Thanks for sharing

    shals
     

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    Good Work 
    #23
    Ex-Bluelighter Ronald's Avatar
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    Well done on compiling this list, it is an excellent service to the drug community. Unfortunately I know next to nothing on this aspect of drug culture. I have always been denied the right to try these drugs, partly due to my young age. From what I understand their synthesis is hard so they would not become available on the black/grey market.
     

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    #24
    Bluelighter
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    Originally posted by Dope_User
    20 mg ambien = .5 mg xanax? doesnt seem right
    hell no thats not right, 20mg of ambien puts me out... .5mg of xanax dosent even effect me... i hate those equivilant charts.
     

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    #25
    Bluelighter soundphaRm's Avatar
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    Ambien (zolpidem) is a non-benzodiazepine hypnotic of the imidazopyridine class of compounds. Although it acts on one of the same receptors as benzos (the omega-1 receptor of the GABA-BZ complex), it doesn't exhibit the myorelaxant or anticonvulsant properties of the benzos, as benzos bind non-selectively to all three omega reptor subtypes.

    So a dosage comparison between zolpidem and benzos, would be hard to do, and be, at least, inaccurate and semi-unrealistic.

    Excellent chart compiling, though, K'dOut, and anyone who takes a lot (or wants to withdraw) should have this chart close at hand (for yourself, your doctor, etc.). I personally know a lot of doctors who aren't as familiar w/ these equivalencies as I am, and have had to make a few phone calls to them on behalf of patients being weaned off of these medicines. So, if you want to withdraw (w/ a physician's help of course), or are being switched to a different one, take a printout of this chart and/or the Ashton Manual with you. Professor Ashton has got benzo withdrawal down to a fine science.

    Once again, good job K'dOutinAZ...
     

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