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Starting Buprenorphine after an Opioid Overdose

You can start Buprenorphine (Bup) Immediately after a suspected opioid overdose has been reversed with naloxone.

Starting Buprenorphine after an Opioid Overdose

Treatment guide overview pdf can be found here







Only do this if you are reasonably certain that the overdose was primarily from too much heroin or fentanyl.
  • Don’t give Bup if you think:

    • They OD’d because they took too much benzodiazepine or alcohol 

    • They are on methadone

    • They are a primary stimulant user who has OD’d from fentanyl contaminated stimulant.

    • They show signs of a serious additional illness--fever, hypotension, persistent confusion or somnolence.

    • You are not sure


The ideal candidate gives a credible story of using too much heroin or fentanyl

E.g. new batch, different dealer etc.., then gets reversed with naloxone and has pretty much immediate improvement.

The patient should be awake with objective signs of opioid withdrawal. (COWS at least 4)

Is the patient agreeable to treatment with Bup? 

If they are agitated use 1mg IV lorazepam to help calm them so you can discuss the idea of Bup.

Give 16 mg SL Buprenorphine as a single dose or in divided doses over 1-2 hours. (Start with 0.3 mg IV if unable to tolerate PO) 

OK to administer additional doses of Bup up to 32 mg

Observe in ED until patient shows no clinical signs of excessive sedation or withdrawal. (Typically 2 hours) 
Connect to the Bridge before discharge.

Andrew is available 24-7 at 617-312-88338 to help in any way


SUNs are available  Monday through Friday 9:00 am - 5:00 pm

Page: 510-718-5604

Call/Text: 510-545-2765

Email: SUN@alamedahealthsystem.org




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