Abilify (Aripiprazole) Taper Schedule from 10 mg
For tapering aripiprazole from 10 mg, reduce the dose by 10% of the current dose per week, which means decreasing from 10 mg to 9 mg in week 1, then to approximately 8 mg in week 2, continuing this pattern until discontinuation. 1
Recommended Tapering Protocol
Standard Taper Approach:
- Reduce by 10% of the current dose (not the original dose) per week 1
- Week 1: 10 mg → 9 mg (10% reduction)
- Week 2: 9 mg → 8 mg (approximately 11% of current dose)
- Week 3: 8 mg → 7 mg
- Continue this pattern until complete discontinuation 1
For Longer-Term Users:
- If the patient has been on aripiprazole for extended periods (months to years), slow the taper to 10% per month rather than per week 1
- This more conservative approach is better tolerated and reduces withdrawal symptom severity 1
Critical Timing Considerations
Onset of Full Effect:
- Aripiprazole requires 1-2 weeks, and sometimes up to 4 weeks, to reach full therapeutic effect due to its long half-life 2
- The mean elimination half-life is approximately 75 hours for aripiprazole and 94 hours for its active metabolite dehydroaripiprazole 2
- Steady-state concentrations are attained within 14 days of dosing 2
Implication for Tapering:
- Do not make dosage reductions more frequently than every 2 weeks, as this is the time needed to achieve steady state 2
- The long half-life provides some inherent protection against abrupt withdrawal symptoms, but gradual tapering is still essential 1
Managing Withdrawal Symptoms
Monitor for These Specific Symptoms After Each Dose Reduction:
If Severe Withdrawal Symptoms Occur:
- Return immediately to the previous well-tolerated dose 1
- Slow the taper further by extending the time between dose reductions 1
- Consider pausing the taper temporarily and restarting when the patient is ready 1
Adjunctive Symptom Management
For Insomnia:
- Consider short-term sleep aids (non-benzodiazepine preferred) 1
For Anxiety and Irritability:
- Consider short-term use of supportive medications 1
General Principle:
- A taper should be considered successful as long as the patient is making progress, even if temporary pauses are needed 1
Critical Pitfalls to Avoid
Do Not:
- Use ultrarapid detoxification, which is associated with substantial risks 1
- Apply a "one-size-fits-all" approach; tapering schedules must be adjusted based on individual response 1
- Set arbitrary time limits for completing the taper 1
Important Warning:
- Discuss with patients the increased risk for relapse if they abruptly return to a previously prescribed higher dose after tolerance has been lost 1
Special Circumstances
When Faster Tapers May Be Necessary:
- Patient safety concerns, such as severe adverse events on the current dosage, may require more rapid tapering 1
- However, even in these situations, avoid abrupt discontinuation whenever possible 1
Practical Dosing Considerations
Since aripiprazole is available in 2 mg, 5 mg, 10 mg, 15 mg, 20 mg, and 30 mg tablets, achieving exact 10% reductions may require:
- Using lower-strength tablets in combination
- Discussing with a compounding pharmacy for precise intermediate doses
- Accepting approximate reductions (e.g., 10 mg → 7.5 mg → 5 mg → 2 mg → discontinue) if precise 10% reductions are not feasible
The key principle remains: reduce gradually, monitor closely, and adjust the taper speed based on the patient's tolerance of withdrawal symptoms. 1