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Darvocet

Aka: Darvocet, Darvon, Acetaminophen with Propoxyphene

Indications: Listed for historical purposes only
1. Analgesic (discontinued in U.S. 2007 and FDA banned in the U.S. in 2010)
Dosing: Acetaminophen 650 with Propoxyphene 100 (Darvocet N-100)
1. Dose: 1 PO q4-6 hours
Efficacy
1. Propoxyphene 100 equivalent to Codeine 32 mg
2. Tylenol alone is as effective as Darvocet
  1. Li Wan Po (1997) BMJ 315 [PubMed]
Adverse Effects
1. Propoxyphene can cause serious arrhythmias
  1. Heaney (1983) Ann Emerg Med 12:780-2 [PubMed]
  2. Madsen (1984) Acta Anaesthesiol Scand 28:661 [PubMed]

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Family Practice Notebook

Patients should address specific medical concerns with their physicians.

Although access to this page is not restricted, the information found here is intended for use by medical providers.

This page was written by Scott Moses, MD, last revised on 12/4/2013 and last published on 4/6/2019 .

This is one of 6664 pages in the Family Practice Notebook