Psychiatry & Pain

How Do You Safely Taper Long-Term Opioids for Chronic Pain?

Quick answer

Taper long-term opioids gradually — 5–10% of the current dose every 2–4 weeks, slower once at 30–50% of starting dose. Faster tapers or forced discontinuation double overdose and suicide risk (JAMA 2021). Screen for opioid use disorder before tapering; if positive, transition to buprenorphine or methadone rather than simply tapering off.

Evidence review

Pivotal trials, effect sizes, and the populations they studied. PubMed identifiers link directly to the source.

Agnoli et al. JAMA cohort (2021)

PMID 34342618

113,618 patients on stable long-term opioid therapy

Dose tapering associated with overdose events (HR 1.68, 95% CI 1.53–1.85) and mental health crises (HR 2.28, 95% CI 1.96–2.65) vs maintenance.

Practical decision algorithm

IfThen
Stable long-term opioid, functional, no OUD, patient prefers continuationContinue at current dose; do not force taper.
Signs of OUD (DSM-5 ≥2 criteria) or fentanyl on UDSTransition to buprenorphine-naloxone (low-dose micro-induction available) or methadone. Do not simply taper.
Patient-driven taper (no OUD, risk-benefit concerns)Decrease 5–10% every 2–4 weeks. Slow below 30% of starting dose (5% monthly). Use motivational interviewing.
Taper withdrawal symptomsClonidine 0.1–0.2 mg TID, ondansetron, loperamide, gabapentin, or slow the taper rate by 50%.
Concurrent benzodiazepineTaper benzodiazepine first or concurrently (both raise overdose risk). Never discontinue opioid while leaving high-dose benzo in place.

Guideline position

CDC 2022 updated opioid guideline: tapering should not be abrupt. HHS Guide (2019): taper 10% per month for long-term opioids; slower for high dose. SAMHSA 2024 MOUD guidance: buprenorphine-naloxone transition preferred over taper in OUD.

Contraindications and cautions

  • Active opioid use disorder without MOUD — use buprenorphine/methadone instead
  • Pregnancy with OUD — continue MAT (methadone or buprenorphine)
  • Cancer pain (palliative) — taper generally not indicated
  • End-of-life care — do not taper

Frequently asked questions

When should I force a taper?
Rarely. Clear indications: diversion, uncontrolled OUD with refusal of MOUD, or severe respiratory depression risk. Most 'must taper' situations need shared decision and MOUD assessment first.
What about buprenorphine for chronic pain without OUD?
Buprenorphine is increasingly used for chronic pain alone — better safety profile than full agonists. Low-dose inductions (0.5–2 mg/day) can stabilize patients who wish to taper.
How to manage breakthrough pain during taper?
Non-opioid adjuncts: duloxetine, gabapentin/pregabalin, topical lidocaine/capsaicin, CBT, PT, acupuncture. Avoid adding benzodiazepines.
What about naloxone?
Prescribe to all patients on opioids regardless of taper status — particularly during and after taper, when overdose risk rises. CDC recommends universal co-prescribing at MME ≥50.
How long does opioid withdrawal last?
Acute symptoms 5–10 days for short-acting, 10–20 days for methadone. Protracted withdrawal (sleep, mood, dysphoria) can persist 6+ months — manage with non-opioid medications and therapy.

Further reading