What is the difference between buprenorphine and methadone?

Both treat opioid use disorder. Buprenorphine is a partial agonist with a ceiling effect (lower overdose risk) and can be prescribed in office settings. Methadone is a full agonist requiring daily visits to a licensed clinic. Each has clinical strengths; the right choice depends on substance history, prior treatment, and individual goals.

Will I be sedated during opioid detox?

Comfort medications used during opioid detox are not sedating in the way benzodiazepines are. Most patients remain alert, can participate in early therapy, and can speak with family.

Opioid Detox Timeline: How Long Each Phase Takes

Medically reviewed by Sergey Litvinov, MD — Medical Director, Pines Recovery Life. Board certified in Psychiatry and Addiction Medicine.

Opioid withdrawal is not life-threatening for most patients the way alcohol withdrawal can be — but it is intensely uncomfortable, and the timeline varies sharply depending on which opioid was used, the dose, and how long. Knowing what to expect makes the first 72 hours easier.

At a glance: Most opioid detoxes last 5 to 10 days for short-acting opioids (heroin, oxycodone, hydrocodone) and 10 to 21 days for long-acting opioids (methadone, buprenorphine). Fentanyl detox follows the short-acting curve but often requires higher buprenorphine doses due to receptor saturation.

The Standard Opioid Withdrawal Timeline

Withdrawal from short-acting opioids like heroin begins 8 to 24 hours after the last dose. The first symptoms are anxiety, yawning, runny nose, sweating, and dilated pupils. By hour 24 to 48, symptoms peak: muscle aches, abdominal cramping, vomiting, diarrhea, and severe restlessness. By day 4 to 5, acute symptoms begin to fade.

Long-acting opioids like methadone have a delayed onset. Withdrawal may not start until day 2 or 3 and can peak around day 7 to 10. The taper is slower and the overall window is longer — often 14 to 21 days of acute symptoms.

Why Fentanyl Detox Is Different

Fentanyl saturates opioid receptors in ways that older opioids do not. A standard buprenorphine induction protocol can trigger precipitated withdrawal — a sudden worsening of symptoms — in fentanyl-tolerant patients. Pines uses fentanyl-specific induction protocols including higher initial buprenorphine doses, longer wash-out periods, and adjunctive medications like clonidine, gabapentin, and ondansetron to keep patients comfortable through the transition.

Most fentanyl detox patients stabilize on buprenorphine within 5 to 7 days and complete acute withdrawal in 7 to 10 days. Post-acute symptoms — sleep disturbance, low mood, cravings — often persist longer than with heroin detox.

What Medications Are Used

Three medications are FDA-approved for opioid use disorder: buprenorphine (Subutex, Suboxone), methadone, and naltrexone. Pines uses buprenorphine for induction during detox because it can be started in an inpatient setting without specialized clinic licensing. Comfort medications include clonidine for autonomic symptoms, ondansetron for nausea, loperamide for diarrhea, and trazodone or hydroxyzine for sleep.

Decisions about long-term medication for opioid use disorder (MOUD) — whether to continue buprenorphine, transition to extended-release naltrexone, or refer to a methadone clinic — happen during residential treatment after detox stabilization.

After Detox

Detox stabilizes the body. The harder work — addressing the patterns and life context that supported opioid use — happens during residential inpatient (typically 14 to 30 days at Pines) and through coordinated aftercare. Continuing MOUD significantly reduces overdose risk in the first year post-detox, which is why many patients leave Pines with a buprenorphine prescription and a clinical handoff to outpatient care.

Frequently Asked Questions

Is opioid withdrawal dangerous?

Opioid withdrawal is rarely directly life-threatening in otherwise healthy adults, but dehydration from vomiting and diarrhea can be dangerous, and the psychological intensity drives many people to use again — which carries overdose risk. Medical supervision keeps patients safe and supported through the worst 72 hours.

Can I detox from opioids at home?

Self-managed detox is possible but carries higher relapse risk and no safety net for medical complications. Most clinical guidelines recommend supervised withdrawal management for anyone with daily opioid use, especially fentanyl, or with significant medical or psychiatric comorbidity.

What is precipitated withdrawal?

Precipitated withdrawal happens when buprenorphine is given to someone still actively dependent on a full opioid agonist. It causes sudden, severe withdrawal symptoms. Avoiding it requires waiting until the patient is already in mild withdrawal before starting buprenorphine — a key reason fentanyl induction needs careful timing.

Does insurance cover opioid detox?

Most commercial plans including BCBS, UnitedHealthcare, Aetna, Cigna, Tricare, and Humana Military cover medically necessary opioid detox. Verification at Pines takes 60 seconds and is HIPAA-protected.

Can I stay on buprenorphine after detox?

Yes. Long-term MOUD with buprenorphine or methadone is associated with significantly lower relapse and overdose rates. The decision is made collaboratively with your treatment team based on substance history, mental health, and personal goals.

How soon can I start treatment at Pines?

Same-day admission is often possible for medically appropriate patients. The first step is a confidential phone call and insurance verification; from there, intake can begin within hours.

Talk to someone confidentially

Insurance verification takes 60 seconds. Calls are HIPAA-protected.

Verify Insurance Call (855) 981-8935

This article is for general information and does not constitute medical advice. If you are in immediate danger, call 911. For confidential addiction treatment information, contact Pines Recovery Life at (855) 981-8935 or the SAMHSA National Helpline at 1-800-662-HELP (4357).