How Long Off Methadone Before Ibogaine?
It is the most-asked question, and it has no one-size answer — but the logic behind it is clear, and it is always a clinical judgment, never a fixed countdown.
Because methadone is long-acting, it can linger in the body for days after the last dose — and ibogaine’s metabolite noribogaine is long-acting too. The waiting period exists to make sure those two windows do not overlap.
Two long-acting drugs, one window to avoid
This is why programs generally favour a gradual taper first — often to a lower-dose, shorter-acting opioid in some protocols — followed by a verified washout, rather than a fixed number of days pulled from the internet.
Why there is no universal number
The right interval depends on the methadone dose, how quickly an individual metabolises it, other medications, cardiac status and overall health. Rather than a calendar rule, clinicians verify readiness with objective checks: resolving withdrawal on standardised scores, stable electrolytes, and a normalising ECG. The number that matters is not “days since last dose” but “is this person, by measurement, ready.”
When the answer is “longer”
If withdrawal is still significant, electrolytes are off, or the ECG shows a borderline QT, the responsible answer is to wait and re-screen. Rushing the washout is precisely what turns a risky procedure into a dangerous one. For many, the safest course remains staying on methadone maintenance.