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The Ashton Manual in other languages · Supplement, April 2011


CHAPTER II: SLOW WITHDRAWAL SCHEDULES

BENZODIAZEPINES: HOW THEY WORK
AND HOW TO WITHDRAW

(aka The Ashton Manual)

• PROTOCOL FOR THE TREATMENT OF BENZODIAZEPINE WITHDRAWAL
• Medical research information from a benzodiazepine withdrawal clinic

Professor C Heather Ashton DM, FRCP
Revised August 2002


Ashton Manual Index Page
Contents Page
Introduction
Chapter I: The benzodiazepines: what they do in the body
Chapter II: How to withdraw from benzodiazepines after long-term use
• Chapter II: Slow withdrawal schedules
Chapter III: Benzodiazepine withdrawal symptoms, acute & protracted

CHAPTER II

SLOW WITHDRAWAL SCHEDULES

A variety of withdrawal schedules from several benzodiazepines are illustrated below. Schedules such as these have worked on real people, but you may need to adapt them for your own needs. Reference to Table 1, Chapter I, which shows the equivalent strengths of different benzodiazepines, should enable you to work out your own programme and to devise an appropriate schedule for benzodiazepines such as prazepam (Centrax) and quazepam (Doral) and others which are not illustrated.

In my experience, the only exception to the general rule of slow reduction is triazolam (Halcion). This benzodiazepine is eliminated so quickly (half-life 2 hours) that you are practically withdrawn each day, after a dose the night before. For this reason, triazolam can be stopped abruptly without substitution of a long-acting benzodiazepine. If withdrawal symptoms occur, you could take a short course of diazepam starting at about 10mg, decreasing the dosage as shown on Schedule 2. The same approach applies to the non-benzodiazepines zolpidem and zaleplon which both have half-lives of 2 hours.

  • 1. Withdrawal from high dose (6mg) alprazolam (Xanax) daily with diazepam (Valium) substitution
  • 2. Simple withdrawal from diazepam (Valium) 40mg daily
  • 3. Withdrawal from lorazepam (Ativan) 6mg daily with diazepam (Valium) substitution
  • 4. Withdrawal from nitrazepam (Mogadon) 10mg at night with diazepam (Valium) substitution
  • 5. Withdrawal from clonazepam (Klonopin) 1.5mg daily with substitution of diazepam (Valium)
  • 6. Withdrawal from clonazepam (Klonopin) 3mg daily with substitution of diazepam (Valium)
  • 7. Withdrawal from alprazolam (Xanax) 4mg daily with diazepam (Valium) substitution
  • 8. Withdrawal from lorazepam (Ativan) 3mg daily with diazepam (Valium) substitution
  • 9. Withdrawal from temazepam (Restoril) 30mg nightly with diazepam (Valium) substitution
  • 10. Withdrawal from oxazepam (Serax) 20mg three times daily (60mg) with diazepam (Valium) substitution
  • 11. Withdrawal from chlordiazepoxide (Librium) 25mg three times daily (75mg)
  • 12. Withdrawal from zopiclone (Zimovane) 15mg with diazepam (Valium) substitution
  • 13. Antidepressant Withdrawal Table
  • Schedule 1. Withdrawal from high dose (6mg) alprazolam (Xanax
    daily with diazepam (Valium) substitution. (6mg alprazolam
    is approximately equivalent to 120mg diazepam)

     
    Morning
    Midday/Afternoon
    Evening/Night
    Daily Diazepam
    Equivalent
    Starting dosage alprazolam 2mg alprazolam 2mg alprazolam 2mg
    120mg
    Stage 1
    (one week)
    alprazolam 2mg alprazolam 2mg alprazolam 1.5mg
    diazepam 10mg
    120mg
    Stage 2
    (one week)
    alprazolam 2mg alprazolam 2mg alprazolam 1mg
    diazepam 20mg
    120mg
    Stage 3
    (one week)
    alprazolam 1.5mg
    diazepam 10mg
    alprazolam 2mg alprazolam 1mg
    diazepam 20mg
    120mg
    Stage 4
    (one week)
    alprazolam 1mg
    diazepam 20mg
    alprazolam 2mg alprazolam 1mg
    diazepam 20mg
    120mg
    Stage 5
    (1-2 weeks)
    alprazolam 1mg
    diazepam 20mg
    alprazolam 1mg
    diazepam 10mg
    alprazolam 1mg
    diazepam 20mg
    110mg
    Stage 6
    (1-2 weeks)
    alprazolam 1mg
    diazepam 20mg
    alprazolam 1mg
    diazepam 10mg
    alprazolam 0.5mg
    diazepam 20mg
    100mg
    Stage 7
    (1-2 weeks)
    alprazolam 1mg
    diazepam 20mg
    alprazolam 1mg
    diazepam 10mg
    Stop alprazolam
    diazepam 20mg
    90mg
    Stage 8
    (1-2 weeks)
    alprazolam 0.5mg
    diazepam 20mg
    alprazolam 1mg
    diazepam 10mg
    diazepam 20mg
    80mg
    Stage 9
    (1-2 weeks)
    alprazolam 0.5mg
    diazepam 20mg
    alprazolam 0.5mg
    diazepam 10mg
    diazepam 20mg
    80mg
    Stage 10
    (1-2 weeks)
    alprazolam 0.5mg
    diazepam 20mg
    Stop alprazolam
    diazepam 10mg
    diazepam 20mg
    60mg
    Stage 11
    (1-2 weeks)
    Stop alprazolam
    diazepam 20mg
    diazepam 10mg diazepam 20mg
    50mg
    Stage 12
    (1-2 weeks)
    diazepam 25mg Stop midday dose;
    divert 5mg each
    to morning and
    night doses
    diazepam 25mg
    50mg
    Stage 13
    (1-2 weeks)
    diazepam 20mg
    --
    diazepam 25mg
    45mg
    Stage 14
    (1-2 weeks)
    diazepam 20mg
    --
    diazepam 20mg
    40mg

      Schedule 1 Notes:

    1. There is no actual withdrawal (only diazepam substitution) in Stages 1-4, so these could be undertaken at weekly intervals (but you could take 2 weeks for each stage if preferred).

    2. The evening dose of diazepam could be taken at bed-time, rather than with the alprazolam if that is usually taken earlier. (Do not take any other sleeping tablet).

    3. Some dosage reduction occurs in later stages of the diazepam switchover (Stages 5-11), so these stages could be undertaken at two week intervals. Even at reducing doses, the diazepam should cover withdrawal from alprazolam, because by this time it has had time to work through the body and will be acting smoothly both day and night. The aim is to obtain a dose of diazepam which avoids withdrawal symptoms but is not so great as to make you sleepy.

    4. At Stage 12 it would be sensible to move to twice daily dosage. Diazepam is long-acting and there is no need to take it more than twice a day. There is no reduction in dosage while you make this change (Stages 11 and 12).


    Schedule 2. Simple withdrawal from diazepam (Valium) 40mg daily
    (follow this schedule to complete Schedule 1)

     
    Morning
    Night
    Total
    Daily Dosage
    Starting dosage diazepam 20mg diazepam 20mg
    40mg
    Stage 1 (1-2 weeks) diazepam 18mg diazepam 20mg
    38mg
    Stage 2 (1-2 weeks) diazepam 18mg diazepam 18mg
    36mg
    Stage 3 (1-2 weeks) diazepam 16mg diazepam 18mg
    34mg
    Stage 4 (1-2 weeks) diazepam 16mg diazepam 16mg
    32mg
    Stage 5 (1-2 weeks) diazepam 14mg diazepam 16mg
    30mg
    Stage 6 (1-2 weeks) diazepam 14mg diazepam 14mg
    28mg
    Stage 7 (1-2 weeks) diazepam 12mg diazepam 14mg
    26mg
    Stage 8 (1-2 weeks) diazepam 12mg diazepam 12mg
    24mg
    Stage 9 (1-2 weeks) diazepam 10mg diazepam 12mg
    22mg
    Stage 10 (1-2 weeks) diazepam 10mg diazepam 10mg
    20mg
    Stage 11 (1-2 weeks) diazepam 8mg diazepam 10mg
    18mg
    Stage 12 (1-2 weeks) diazepam 8mg diazepam 8mg
    16mg
    Stage 13 (1-2 weeks) diazepam 6mg diazepam 8mg
    14mg
    Stage 14 (1-2 weeks) diazepam 5mg diazepam 8mg
    13mg
    Stage 15 (1-2 weeks) diazepam 4mg diazepam 8mg
    12mg
    Stage 16 (1-2 weeks) diazepam 3mg diazepam 8mg
    11mg
    Stage 17 (1-2 weeks) diazepam 2mg diazepam 8mg
    10mg
    Stage 18 (1-2 weeks) diazepam 1mg diazepam 8mg
    9mg
    Stage 19 (1-2 weeks)
    --
    diazepam 8mg
    8mg
    Stage 20 (1-2 weeks)
    --
    diazepam 7mg
    7mg
    Stage 21 (1-2 weeks)
    --
    diazepam 6mg
    6mg
    Stage 22 (1-2 weeks)
    --
    diazepam 5mg
    5mg
    Stage 23 (1-2 weeks)
    --
    diazepam 4mg
    4mg
    Stage 24 (1-2 weeks)
    --
    diazepam 3mg
    3mg
    Stage 25 (1-2 weeks)
    --
    diazepam 2mg
    2mg
    Stage 26 (1-2 weeks)
    --
    diazepam 1mg
    1mg

      Schedule 2 Notes:

    1. You could probably manage Stages 1-5 (or even Stages 1-10) in weekly intervals (but take 2 weeks between stages if you prefer).

    2. The later stages are probably better taken in 2 week intervals.

    3. When you get down to a dose of 5mg daily, you could begin to decrease in 0.5mg doses, but most people manage with 1mg reductions.

    4. You will need to utilise a mixture of 10mg, 5mg, and 2mg diazepam tablets to obtain the required dosages. Halve the (scored) 2mg tablet to obtain 1mg doses.

    5. If your starting dose is 20mg diazepam daily, you could begin at Stage 10, but in this case you could reduce by 1mg every 2 weeks.

    6. If starting from Schedule 1 (alprazolam 6mg daily) continue your reduction using this schedule.


    Schedule 3. Withdrawal from lorazepam (Ativan) 6mg daily
    with diazepam (Valium) substitution. (6mg lorazepam is
    approximately equivalent to 60mg diazepam)

     
    Morning
    Midday/Afternoon
    Evening/Night
    Daily Diazepam
    Equivalent
    Starting dosage lorazepam 2mg lorazepam 2mg lorazepam 2mg
    60mg
    Stage 1
    (one week)
    lorazepam 2mg lorazepam 2mg lorazepam 1mg
    diazepam 10mg
    60mg
    Stage 2
    (one week)
    lorazepam 1.5mg
    diazepam 5mg
    lorazepam 2mg lorazepam 1mg
    diazepam 10mg
    60mg
    Stage 3
    (one week)
    lorazepam 1.5mg
    diazepam 5mg
    lorazepam 2mg lorazepam 0.5mg
    diazepam 15mg
    60mg
    Stage 4
    (one week)
    lorazepam 1.5mg
    diazepam 5mg
    lorazepam 1.5mg
    diazepam 5mg
    lorazepam 0.5mg
    diazepam 15mg
    60mg
    Stage 5
    (1-2 weeks)
    lorazepam 1.5mg
    diazepam 5mg
    lorazepam 1.5mg
    diazepam 5mg
    Stop lorazepam
    diazepam 20mg
    60mg
    Stage 6
    (1-2 weeks)
    lorazepam 1mg
    diazepam 5mg
    lorazepam 1.5mg
    diazepam 5mg
    diazepam 20mg
    55mg
    Stage 7
    (1-2 weeks)
    lorazepam 1mg
    diazepam 5mg
    lorazepam 1mg
    diazepam 5mg
    diazepam 20mg
    50mg
    Stage 8
    (1-2 weeks)
    lorazepam 0.5mg
    diazepam 5mg
    lorazepam 1mg
    diazepam 5mg
    diazepam 20mg
    45mg
    Stage 9
    (1-2 weeks)
    lorazepam 0.5mg
    diazepam 5mg
    lorazepam 0.5mg
    diazepam 5mg
    diazepam 20mg
    40mg
    Stage 10
    (1-2 weeks)
    Stop lorazepam
    diazepam 5mg
    lorazepam 0.5mg
    diazepam 5mg
    diazepam 20mg
    35mg
    Stage 11
    (1-2 weeks)
    diazepam 5mg Stop lorazepam
    diazepam 5mg
    diazepam 20mg
    30mg
    Stage 12
    (1-2 weeks)
    diazepam 5mg diazepam 5mg diazepam 18mg
    28mg
    Stage 13
    (1-2 weeks)
    diazepam 5mg diazepam 5mg diazepam 16mg
    26mg
    Stage 14
    (1-2 weeks)
    diazepam 5mg diazepam 5mg diazepam 14mg
    24mg
    Stage 15
    (1-2 weeks)
    diazepam 5mg diazepam 5mg diazepam 12mg
    22mg
    Stage 16
    (1-2 weeks)
    diazepam 5mg diazepam 5mg diazepam 10mg
    20mg
    Stage 17
    (1-2 weeks)
    diazepam 5mg diazepam 4mg diazepam 10mg
    19mg
    Stage 18
    (1-2 weeks)
    diazepam 4mg diazepam 4mg diazepam 10mg
    18mg
    Stage 19
    (1-2 weeks)
    diazepam 4mg diazepam 3mg diazepam 10mg
    17mg
    Stage 20
    (1-2 weeks)
    diazepam 3mg diazepam 3mg diazepam 10mg
    16mg
    Stage 21
    (1-2 weeks)
    diazepam 3mg diazepam 2mg diazepam 10mg
    15mg
    Stage 22
    (1-2 weeks)
    diazepam 2mg diazepam 2mg diazepam 10mg
    14mg
    Stage 23
    (1-2 weeks)
    diazepam 2mg diazepam 1mg diazepam 10mg
    13mg
    Stage 24
    (1-2 weeks)
    diazepam 1mg diazepam 1mg diazepam 10mg
    12mg
    Stage 25
    (1-2 weeks)
    diazepam 1mg Stop diazepam diazepam 10mg
    11mg
    Stage 26
    (1-2 weeks)
    Stop diazepam
    --
    diazepam 10mg
    10mg
    Stage 27
    (1-2 weeks)
    --
    --
    diazepam 9mg
    9mg
    Stage 28
    (1-2 weeks)
    --
    --
    diazepam 8mg
    8mg
    Stage 29
    (1-2 weeks)
    --
    --
    diazepam 7mg
    7mg
    Stage 30
    (1-2 weeks)
    --
    --
    diazepam 6mg
    6mg
    Stage 31
    (1-2 weeks)
    --
    --
    diazepam 5mg
    5mg
    Stage 32
    (1-2 weeks)
    --
    --
    diazepam 4mg
    4mg
    Stage 33
    (1-2 weeks)
    --
    --
    diazepam 3mg
    3mg
    Stage 34
    (1-2 weeks)
    --
    --
    diazepam 2mg
    2mg
    Stage 35
    (1-2 weeks)
    --
    --
    diazepam 1mg
    1mg
    Stage 36
    --
    --
    Stop diazepam
    --

      Schedule 3 Notes:

    1. There is no actual withdrawal (only diazepam substitution) in Stages 1-5, so these could be undertaken at weekly intervals (but you could take 2 weeks if preferred).

    2. The evening dose of diazepam could be taken at bed-time, rather than with the lorazepam if that is usually taken earlier. (Do not take any other sleeping tablet).

    3. Some dosage reduction occurs during the later stages of the diazepam switchover (Stages 6-11), so these stages could be undertaken at two week intervals. Even at reducing doses, the diazepam should cover withdrawal from lorazepam, because by this time it has had time to work through the body and will be acting smoothly both day and night. The aim is to obtain a dose of diazepam which avoids withdrawal symptoms but is not so great as to make you sleepy.

    4. Day-time doses of diazepam are gradually phased out (Stages 17-25); in succeeding stages you only need to phase out the night-time dose by 1mg every week or two.

    5. A mixture of 10mg, 5mg and 2mg diazepam tablets will be needed to obtain the required doses. Halve the (scored) 2mg tablets to obtain 1mg doses.


    Schedule 4. Withdrawal from nitrazepam (Mogadon) 10mg at
    night with diazepam (Valium) substitution. (Nitrazepam
    is approximately the same strength as diazepam)

     
    Bed-time dose
    Starting dosage nitrazepam 10mg
    Stage 1 (1 week) nitrazepam 5mg
    diazepam 5mg
    Stage 2 (1 week) Stop nitrazepam
    diazepam 10mg
    Stage 3 (1-2 weeks) diazepam 9mg
    Stage 4 (1-2 weeks) diazepam 8mg
    Stage 5 (1-2 weeks) diazepam 7mg
    Stage 6 (1-2 weeks) diazepam 6mg
    Stage 7 (1-2 weeks) diazepam 5mg
    Stage 8 (1-2 weeks) diazepam 4mg
    Stage 9 (1-2 weeks) diazepam 3mg
    Stage 10 (1-2 weeks) diazepam 2mg
    Stage 11 (1-2 weeks) diazepam 1mg
    Stage 12 Stop diazepam

      Schedule 4 Notes:

    • If you are taking more than 10mg nitrazepam, replace each 5mg nitrazepam, one at a time, with 5mg diazepam, then reduce the diazepam in 1mg or 2mg stages.


    Schedule 5. Withdrawal from clonazepam (Klonopin) 1.5mg daily with
    substitution of diazepam (Valium). (0.5mg clonazepam
    is approximately equivalent to 10mg diazepam)

     
    Morning
    Midday/Afternoon
    Evening/Night
    Daily Diazepam
    Equivalent
    Starting dosage clonazepam 0.5mg clonazepam 0.5mg clonazepam 0.5mg
    30mg
    Stage 1
    (1 week)
    clonazepam 0.5mg clonazepam 0.5mg clonazepam 0.25mg
    diazepam 5mg
    30mg
    Stage 2
    (1 week)
    clonazepam 0.5mg clonazepam 0.5mg Stop clonazepam
    diazepam 10mg
    30mg
    Stage 3
    (1 week)
    clonazepam 0.25mg
    diazepam 5mg
    clonazepam 0.5mg diazepam 10mg
    30mg
    Stage 4
    (1 week)
    clonazepam 0.25mg
    diazepam 5mg
    clonazepam 0.25mg
    diazepam 5mg
    diazepam 10mg
    30mg
    Stage 5
    (1 week)
    Stop clonazepam
    diazepam 10mg
    clonazepam 0.25mg
    diazepam 5mg
    diazepam 10mg
    30mg
    Stage 6
    (1-2 weeks)
    diazepam 10mg Stop clonazepam
    diazepam 8mg
    diazepam 10mg
    28mg
    Stage 7
    (1-2 weeks)
    diazepam 10mg diazepam 6mg diazepam 10mg
    26mg
    Stage 8
    (1-2 weeks)
    diazepam 10mg diazepam 4mg diazepam 10mg
    24mg
    Stage 9
    (1-2 weeks)
    diazepam 10mg diazepam 2mg diazepam 10mg
    22mg
    Stage 10
    (1-2 weeks)
    diazepam 10mg Stop diazepam diazepam 10mg
    20mg
    Stage 11
    (1-2 weeks)
    diazepam 8mg
    --
    diazepam 10mg
    18mg
    Stage 12
    (1-2 weeks)
    diazepam 6mg
    --
    diazepam 10mg
    16mg
    Stage 13
    (1-2 weeks)
    diazepam 4mg
    --
    diazepam 10mg
    14mg
    Stage 14
    (1-2 weeks)
    diazepam 2mg
    --
    diazepam 10mg
    12mg
    Stage 15
    (1-2 weeks)
    Stop diazepam
    --
    diazepam 10mg
    10mg
    Continue reducing remaining diazepam by 1 mg every 2 weeks (see Schedule 3 Stage 26)


    Schedule 6. Withdrawal from clonazepam (Klonopin) 3mg
    daily with substitution of diazepam (Valium).
    (1 mg clonazepam is equivalent to 20mg diazepam)

     
    Morning
    Midday/Afternoon
    Evening/Night
    Daily Diazepam
    Equivalent
    Starting dosage clonazepam 1mg clonazepam 1mg clonazepam 1mg
    60mg
    Stage 1
    (1-2 weeks)
    clonazepam 1mg clonazepam 1mg clonazepam 0.5mg
    diazepam 10mg
    60mg
    Stage 2
    (1-2 weeks)
    clonazepam 0.5mg
    diazepam 10mg
    clonazepam 1mg clonazepam 0.5mg
    diazepam 10mg
    60mg
    Stage 3
    (1-2 weeks)
    clonazepam 0.5mg
    diazepam 10mg
    clonazepam 0.5mg
    diazepam 5mg
    clonazepam 0.5mg
    diazepam 10mg
    55mg
    Stage 4
    (1-2 weeks)
    clonazepam 0.5mg
    diazepam 10mg
    clonazepam 0.5mg
    diazepam 5mg
    Stop clonazepam
    diazepam 15mg
    50mg
    Stage 5
    (1-2 weeks)
    clonazepam 0.25mg
    diazepam 10mg
    clonazepam 0.5mg
    diazepam 5mg
    diazepam 15mg
    45mg
    Stage 6
    (1-2 weeks)
    clonazepam 0.25mg
    diazepam 10mg
    clonazepam 0.25mg
    diazepam 5mg
    diazepam 15mg
    40mg
    Stage 7
    (1-2 weeks)
    Stop clonazepam
    diazepam 10mg
    clonazepam 0.25mg
    diazepam 5mg
    diazepam 15mg
    35mg
    Stage 8
    (1-2 weeks)
    diazepam 10mg Stop clonazepam
    diazepam 5mg
    diazepam 15mg
    30mg
    Stage 9
    (1-2 weeks)
    diazepam 10mg diazepam 2.5mg diazepam 15mg
    27.5mg
    Stage 10
    (1-2 weeks)
    diazepam 12mg Stop diazepam diazepam 15mg
    27mg
    Stage 11
    (1-2 weeks)
    diazepam 10mg
    --
    diazepam 15mg
    25mg
    Stage 12
    (1-2 weeks)
    diazepam 10mg
    --
    diazepam 14mg
    24mg
    Stage 13
    (1-2 weeks)
    diazepam 10mg
    --
    diazepam 12mg
    22mg
    Stage 14
    (1-2 weeks)
    diazepam 10mg
    --
    diazepam 10mg
    20mg
    Continue from Schedule 5, Stage 10

      Schedule 6 Notes:

    • The small reduction (27.5mg to 27mg) between Stages 9 and 10 is to allow you to adjust to twice daily dose.


    Schedule 7. Withdrawal from alprazolam (Xanax) 4mg daily with
    diazepam (Valium) substitution (4mg alprazolam is
    approximately equivalent to 80mg diazepam)

     
    Morning
    Midday
    Afternoon
    Evening
    Daily Diazepam
    Equivalent
    Starting dosage alprazolam 1mg alprazolam 1mg alprazolam 1mg alprazolam 1mg
    80mg
    Stage 1
    (1 week)
    alprazolam 1mg alprazolam 1mg alprazolam 1mg alprazolam 0.5mg
    diazepam 10mg
    80mg
    Stage 2
    (1 week)
    alprazolam 1mg alprazolam 0.5mg
    diazepam 10mg
    alprazolam 1mg alprazolam 0.5mg
    diazepam 10mg
    80mg
    Stage 3
    (1 week)
    alprazolam 0.5mg
    diazepam 10mg
    alprazolam 0.5mg
    diazepam 10mg
    alprazolam 1mg alprazolam 0.5mg
    diazepam 10mg
    80mg
    Stage 4
    (1 week)
    alprazolam 0.5mg
    diazepam 10mg
    alprazolam 0.5mg
    diazepam 10mg
    alprazolam 0.5mg
    diazepam 10mg
    alprazolam 0.5mg
    diazepam 10mg
    80mg
    Stage 5
    (1 week)
    alprazolam 0.5mg
    diazepam 10mg
    alprazolam 0.5mg
    diazepam 10mg
    alprazolam 0.5mg
    diazepam 10mg
    alprazolam 0.5mg
    diazepam 10mg
    80mg
    Stage 6
    (1-2 weeks)
    alprazolam 0.5mg
    diazepam 10mg
    alprazolam 0.25mg
    diazepam 10mg
    alprazolam 0.5mg
    diazepam 10mg
    diazepam 20mg
    75mg
    Stage 7
    (1-2 weeks)
    alprazolam 0.25mg
    diazepam 10mg
    alprazolam 0.25mg
    diazepam 10mg
    alprazolam 0.5mg
    diazepam 10mg
    diazepam 20mg
    70mg
    Stage 8
    (1-2 weeks)
    alprazolam 0.25mg
    diazepam 10mg
    alprazolam 0.25mg
    diazepam 10mg
    alprazolam 0.25mg
    diazepam 10mg
    diazepam 20mg
    65mg
    Stage 9
    (1-2 weeks)
    alprazolam 0.25mg
    diazepam 10mg
    Stop alprazolam
    diazepam 10mg
    alprazolam 0.25mg
    diazepam 10mg
    diazepam 20mg
    60mg
    Stage 10
    (1-2 weeks)
    Stop alprazolam
    diazepam 10mg
    diazepam 10mg alprazolam 0.25mg
    diazepam 10mg
    diazepam 20mg
    55mg
    Stage 11
    (1-2 weeks)

    diazepam 10mg
    diazepam 10mg Stop alprazolam
    diazepam 10mg
    diazepam 20mg
    50mg
    Stage 12
    (1-2 weeks)

    diazepam 10mg
    diazepam 5mg diazepam 10mg diazepam 20mg
    45mg
    Stage 13
    (1-2 weeks)

    diazepam 5mg
    diazepam 5mg diazepam 10mg diazepam 20mg
    40mg
    Stage 14
    (1-2 weeks)

    diazepam 5mg
    diazepam 5mg diazepam 5mg diazepam 20mg
    35mg
    Stage 15
    (1-2 weeks)

    diazepam 5mg
    diazepam 5mg diazepam 5mg diazepam 15mg
    30mg
    Stage 16
    (1-2 weeks)

    diazepam 5mg
    diazepam 5mg diazepam 5mg diazepam 12.5mg
    27.5mg
    Stage 17
    (1-2 weeks)

    diazepam 5mg
    diazepam 5mg diazepam 5mg diazepam 10mg
    25mg
    Stage 18
    (1-2 weeks)

    diazepam 5mg
    diazepam 2.5mg diazepam 5mg diazepam 10mg
    22.5mg
    Stage 19
    (1-2 weeks)

    diazepam 5mg
    Stop diazepam diazepam 5mg diazepam 10mg
    20mg
    Stage 20
    (1-2 weeks)

    diazepam 4mg
    --
    diazepam 5mg diazepam 10mg
    19mg
    Stage 21
    (1-2 weeks)

    diazepam 4mg
    --
    diazepam 4mg diazepam 10mg
    18mg
    Stage 22
    (1-2 weeks)

    diazepam 4mg
    --
    diazepam 3mg diazepam 10mg
    17mg
    Stage 23
    (1-2 weeks)

    diazepam 3mg
    --
    diazepam 3mg diazepam 10mg
    16mg
    Stage 24
    (1-2 weeks)

    diazepam 3mg
    --
    diazepam 2mg diazepam 10mg
    15mg
    Stage 25
    (1-2 weeks)

    diazepam 2mg
    --
    diazepam 2mg diazepam 10mg
    14mg
    Stage 26
    (1-2 weeks)

    diazepam 2mg
    --
    Stop diazepam diazepam 10mg
    12mg
    Stage 27
    (1-2 weeks)
    Stop diazepam
    --
    --
    diazepam 10mg
    10mg
    Continue reducing diazepam by 1mg every 2 weeks (see Schedule 3, Stage 26)

      Schedule 7 Notes:

    • The evening diazepam dose can be taken at bed-time, rather than with alprazolam if that is usually taken earlier.


    Schedule 8. Withdrawal from lorazepam (Ativan) 3mg daily with
    diazepam (Valium) substitution. (3mg lorazepam
    is approximately equivalent to 30mg diazepam)

     
    Morning
    Midday/Afternoon
    Evening/Night
    Daily Diazepam
    Equivalent
    Starting dosage lorazepam 1 mg lorazepam 1 mg lorazepam 1 mg
    30mg
    Stage 1
    (1 week)
    lorazepam 1 mg lorazepam 1 mg lorazepam 0.5mg
    diazepam 5mg
    30mg
    Stage 2
    (1 week)
    lorazepam 0.5mg
    diazepam 5mg
    lorazepam 1 mg lorazepam 0.5mg
    diazepam 5mg
    30mg
    Stage 3
    (1 week)
    lorazepam 0.5mg
    diazepam 5mg
    lorazepam 0.5mg
    diazepam 5mg
    lorazepam 0.5mg
    diazepam 5mg
    30mg
    Stage 4
    (1 week)
    lorazepam 0.5mg
    diazepam 5mg
    lorazepam 0.5mg
    diazepam 5mg
    Stop lorazepam
    diazepam 10mg
    30mg
    Stage 5
    (1 week)
    Stop lorazepam
    diazepam 10mg
    lorazepam 0.5mg
    diazepam 5mg
    diazepam 10mg
    30mg
    Stage 6
    (1 week)
    diazepam 10mg Stop lorazepam
    diazepam 10mg
    diazepam 10mg
    30mg
    Stage 7
    (1-2 weeks)
    diazepam 10mg diazepam 8mg diazepam 10mg
    28mg
    Stage 8
    (1-2 weeks)
    diazepam 8mg diazepam 8mg diazepam 10mg
    26mg
    Stage 9
    (1-2 weeks)
    diazepam 8mg diazepam 6mg diazepam 10mg
    24mg
    Stage 10
    (1-2 weeks)
    diazepam 6mg diazepam 6mg diazepam 10mg
    22mg
    Stage 11
    (1-2 weeks)
    diazepam 6mg diazepam 4mg diazepam 10mg
    20mg
    Stage 12
    (1-2 weeks)
    diazepam 6mg diazepam 2mg diazepam 10mg
    18mg
    Stage 13
    (1-2 weeks)
    diazepam 6mg Stop diazepam diazepam 10mg
    16mg
    Stage 14
    (1-2 weeks)
    diazepam 5mg
    --
    diazepam 10mg
    15mg
    Stage 15
    (1-2 weeks)
    diazepam 4mg
    --
    diazepam 10mg
    14mg
    Stage 16
    (1-2 weeks)
    diazepam 3mg
    --
    diazepam 10mg
    13mg
    Stage 17
    (1-2 weeks)
    diazepam 2mg
    --
    diazepam 10mg
    12mg
    Stage 18
    (1-2 weeks)
    diazepam 1mg
    --
    diazepam 10mg
    11mg
    Stage 19
    (1-2 weeks)
    Stop diazepam
    --
    diazepam 10mg
    10mg
    Continue reducing night time diazepam by 1 mg every 1-2 weeks (See Schedule 3, Stage 26)


    Schedule 9. Withdrawal from temazepam (Restoril) 30mg
    nightly with diazepam substitution. (30mg temazepam is
    approximately equivalent to 15mg diazepam)

     
    Night time
    Equivalent diazepam dosage
    Starting dosage temazepam 30mg
    15mg
    Stage 1 (1-2 weeks) temazepam 15mg
    diazepam 7.5mg
    15mg
    Stage 2 (1-2 weeks) temazepam 7.5mg
    diazepam 12mg
    15.75mg
    Stage 3 (1-2 weeks) Stop temazepam
    diazepam 15mg
    15mg
    Stage 4 (1-2 weeks) diazepam 14mg
    14mg
    Stage 5 (1-2 weeks) diazepam 13mg
    13mg
    Stage 6 (1-2 weeks) diazepam 12mg
    12mg
    Stage 7 (1-2 weeks) diazepam 11mg
    11mg
    Stage 8 (1-2 weeks) diazepam 10mg
    10mg
    Stage 9 (1-2 weeks) diazepam 9mg
    9mg
    Stage 10 (1-2 weeks) diazepam 8mg
    8mg
    Stage 11 (1-2 weeks) diazepam 7mg
    7mg
    Stage 12 (1-2 weeks) diazepam 6mg
    6mg
    Stage 13 (1-2 weeks) diazepam 5mg
    5mg
    Stage 14 (1-2 weeks) diazepam 4mg
    4mg
    Stage 15 (1-2 weeks) diazepam 3mg
    3mg
    Stage 16 (1-2 weeks) diazepam 2mg
    2mg
    Stage 17 (1-2 weeks) diazepam 1mg
    1mg
    Stage 18 Stop diazepam
    --


    Schedule 10. Withdrawal from oxazepam (Serax) 20mg three times
    daily (60mg) with diazepam (Valium) substitution (20mg
    oxazepam is approximately equivalent to 10mg diazepam)

     
    Morning
    Midday
    Evening/Night
    Daily Diazepam
    Equivalent
    Starting dosage oxazepam 20mg oxazepam 20mg oxazepam 20mg
    30mg
    Stage 1
    (1 week)
    oxazepam 20mg oxazepam 20mg oxazepam 10mg
    diazepam 5mg
    30mg
    Stage 2
    (1 week)
    oxazepam 10mg
    diazepam 5mg
    oxazepam 20mg oxazepam 10mg
    diazepam 5mg
    30mg
    Stage 3
    (1 week)
    oxazepam 10mg
    diazepam 5mg
    oxazepam 10mg
    diazepam 5mg
    oxazepam 10mg
    diazepam 5mg
    30mg
    Stage 4
    (1-2 weeks)
    oxazepam 10mg
    diazepam 5mg
    oxazepam 10mg
    diazepam 5mg
    Stop oxazepam
    diazepam 8mg
    28mg
    Stage 5
    (1-2 weeks)
    Stop oxazepam
    diazepam 8mg
    oxazepam 10mg
    diazepam 5mg
    diazepam 8mg
    26mg
    Stage 6
    (1-2 weeks)
    diazepam 8mg Stop oxazepam
    diazepam 8mg
    diazepam 8mg
    24mg
    Stage 7
    (1-2 weeks)
    diazepam 10mg diazepam 2mg diazepam 10mg
    22mg
    Stage 8
    (1-2 weeks)
    diazepam 10mg Stop diazepam diazepam 10mg
    20mg
    Stage 9
    (1-2 weeks)
    diazepam 8mg
    --
    diazepam 10mg
    18mg
    Continue as on Schedule 2 from Stage 12

      Schedule 10 Notes:

    1. Oxazepam is short-acting (half-life 4-15 hrs) so substitution to diazepam (long-acting) is recommended.

    2. Diazepam need only be taken twice a day.

    3. A change from 5mg to 2mg diazepam tablets is necessary from Stage 4 onwards.


    Schedule 11. Withdrawal from chlordiazepoxide (Librium) 25mg
    three times daily (75mg). (25mg chlordiazepoxide
    is approximately equivalent to 10mg diazepam)

     
    Morning
    Midday
    Evening/Night
    Starting dosage chlordiazepoxide 25mg chlordiazepoxide 25mg chlordiazepoxide 25mg
    Stage 1
    (1-2 weeks)
    chlordiazepoxide 25mg chlordiazepoxide 20mg chlordiazepoxide 25mg
    Stage 2
    (1-2 weeks)
    chlordiazepoxide 20mg chlordiazepoxide 20mg chlordiazepoxide 25mg
    Stage 3
    (1-2 weeks)
    chlordiazepoxide 20mg chlordiazepoxide 20mg chlordiazepoxide 20mg
    Stage 4
    (1-2 weeks)
    chlordiazepoxide 25mg chlordiazepoxide 5mg chlordiazepoxide 25mg
    Stage 5
    (1-2 weeks)
    chlordiazepoxide 25mg Stop chlordiazepoxide chlordiazepoxide 25mg
    Stage 6
    (1-2 weeks)
    chlordiazepoxide 20mg
    --
    chlordiazepoxide 25mg
    Stage 7
    (1-2 weeks)
    chlordiazepoxide 20mg
    --
    chlordiazepoxide 20mg
    Stage 8
    (1-2 weeks)
    chlordiazepoxide 15mg
    --
    chlordiazepoxide 20mg
    Stage 9
    (1-2 weeks)
    chlordiazepoxide 15mg
    --
    chlordiazepoxide 15mg
    Stage 10
    (1-2 weeks)
    chlordiazepoxide 10mg
    --
    chlordiazepoxide 15mg
    Stage 11
    (1-2 weeks)
    chlordiazepoxide 10mg
    --
    chlordiazepoxide 10mg
    Stage 12
    (1-2 weeks)
    chlordiazepoxide 5mg
    --
    chlordiazepoxide 10mg
    Stage 13
    (1-2 weeks)
    chlordiazepoxide 5mg
    --
    chlordiazepoxide 5mg
    Stage 14
    (1-2 weeks)
    chlordiazepoxide
    2.5mg (½ tablet)
    --
    chlordiazepoxide 5mg
    Stage 15
    (1-2 weeks)
    chlordiazepoxide
    2.5mg (½ tablet)
    --
    chlordiazepoxide
    2.5mg (½ tablet)
    Stage 16
    (1-2 weeks)
    Stop chlordiazepoxide
    --
    chlordiazepoxide
    2.5mg (½ tablet)
    Stage 17
    --
    --
    Stop chlordiazepoxide

      Schedule 11 Notes:

    1. Chlordiazepoxide is long-acting so there is no need to take it more frequently than twice a day (hence Stages 4 and 5).

    2. Because chlordiazepoxide is long-acting, there is no need for diazepam substitution.

    3. If you are taking chlordiazepoxide capsules, change to tablets which can be halved for stages 14 onwards.


    Schedule 12. Withdrawal from zopiclone (Zimovane) 15mg
    with diazepam (Valium) substitution. (15mg zopiclone
    is approximately equivalent to 10mg diazepam)

     
    Night time
    Daily Diazepam
    Equivalent
    Starting dosage zopiclone 15mg
    10mg
    Stage 1
    (1 week)
    zopiclone 7.5mg
    diazepam 5mg
    10mg
    Stage 2
    (1 week)
    Stop zopiclone
    diazepam 10mg
    10mg
    Stage 3 (1-2 weeks) diazepam 9mg
    9mg
    Stage 4 (1-2 weeks) diazepam 8mg
    8mg
    Then continue reducing diazepam by 1mg every 1-2 weeks as on Schedule 2

      Schedule 12 Notes:

    1. It is possible to withdraw directly from zopiclone using the smallest available tablets (3.75mg), but this dose of zopiclone is equivalent to 2.5mg diazepam making for rather abrupt dosage reductions.

    2. This method can also be used for withdrawing from loprazolam and lormetazepam. 1mg of each of these is approximately equivalent to 10mg diazepam; their half-lives are 6-12 and 10-12 hrs respectively.


    Schedule 13. Antidepressant Withdrawal Table

    Drugs
    Dosage strengths and formulations*
    Tricyclics  
        amitriptyline (Tryptizol, Elavil) tabs 10, 25, 50mg; liquid 25mg/5ml
        amoxapine (Asendis) tabs 25, 50, 100mg
        clomipramine (Anafranil) caps 10, 25, 50mg; syrup 25mg/5ml
        dothiepin (Prothiaden) tabs 25, 75mg
        doxepin (Sinequan) caps 10, 25, 50, 75mg
        imipramine (Tofranil) tabs 10, 25mg syrup 25mg/5ml
        lofepramine (Gamanil) tabs 70mg; liquid 70mg/5ml
        nortriptyline (Allegron, Pamelor) tabs 10, 25mg
        protriptyline (Concordin, Vivactil) tabs 5, 10mg
        trimipramine (Surmontil) tabs 10, 25mg
    Related antidepressants  
        maprotiline (Ludiomil) tabs 10, 25, 50, 75mg
        mianserin (Bolvidon, Norval) tabs 10, 30mg
        trazodone (Molipaxin, Desyrel) caps 50, 100mg; tabs 150mg; liquid 50mg/5ml
        viloxazine (Vivalan) tabs 50mg
    MAOIs (monoamine oxidase inhibitors)  
        phenelzine (Nardil) tabs 15mg
        moclobemide (Mannerix) tabs 150mg
        tranylcypromine (Parnate) tabs 10mg
    SSRIs (selective serotonin reuptake inhibitors)  
        citalopram (Cipramil, Celexa) tabs 10, 20, 40mg; liquid 40mg/ml (drops)
        fluoxetine (Prozac) caps 20, 60mg; liquid 20mg/5ml
        fluvoxamine (Faverin, Luvox) tabs(s) 50, 100mg
        paroxetine (Seroxat, Paxil) tabs(s) 20, 30mg; liquid 20mg/5ml
        sertraline (Lustral, Zoloft) tabs 50, 100mg
        escitalopram (Cipralex, Lexapro) tabs 5, 10(s), 20mg(s)
    Others  
        mirtazapine (Zispin, Remeron) tabs(s) 30mg
        nefazodone (Dutonin, Serzone) tabs(s) 100, 200mg
        reboxetine (Edronax, Vestra) tabs(s) 4mg
        venlafaxine (Efexor, Effexor) tabs 37.5, 75mg
    * tabs: tablets, (s) scored; caps: capsules; 5ml = 1 teaspoon

      Schedule 13 Notes:

      Guidelines for benzodiazepine users who are also taking an antidepressant and wish to withdraw from both drugs

    1. Complete the benzodiazepine withdrawal before starting to taper the antidepressant.

    2. Allow at least 4 weeks after stopping benzodiazepines before starting on antidepressant withdrawal.

    3. Consult your doctor before starting to withdraw the antidepressant and agree on a tapering schedule.

    4. Antidepressant withdrawal must be gradual to avoid withdrawal effects.

      1. Make each dose reduction as small as possible, e.g. by halving the tablets or using a liquid preparation.

      2. If smaller doses are not available, reduce by taking a tablet every other day, then every third day, etc.

      3. Allow 1-2 weeks between each dosage reduction.

      4. If withdrawal symptoms are severe (Chapter 3, Table 2) increase the dosage slightly (e.g. to the dose at your last reduction). When symptoms have settled, resume withdrawal at a slower rate.

    5. With slow tapering, as outlined above, withdrawal symptoms from antidepressants are usually absent, or if they occur, are mild and short-lived.


    Index · Contents · Introduction · Chapter I · Chapter II · Withdrawal Schedules · Chapter III
    Medical Disclaimer · Order A Printed Copy · Prof Ashton's Main Page · Supplement, April 2011

    © Copyright 1999-2013, Professor C H Ashton, Institute of Neuroscience,
    Newcastle University, Newcastle upon Tyne, NE4 5PL, England, UK



    © Ray Nimmo · 2013

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