DARVON-N
LOE Approachingpropoxyphene napsylate
NDAORALSUSPENSION
Approved
Sep 1971
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Data completeness
2/8 — Basic
DARVON-N (propoxyphene napsylate) is clinical pharmacology pharmacology propoxyphene is a centrally acting opiate analgesic. First approved in 1971.
Drug data last refreshed 5d ago
Mechanism of Action
CLINICAL PHARMACOLOGY Pharmacology Propoxyphene is a centrally acting opiate analgesic. In vitro studies demonstrated propoxyphene and the metabolite norpropoxyphene inhibit sodium channels (local anesthetic effect) with norpropoxyphene being approximately 2-fold more potent than propoxyphene and…
Data Sources
- Drug label: DailyMed / FDA
- Clinical trials: ClinicalTrials.gov
- Patent data: FDA Orange Book
- Spending data: CMS Medicare
The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.