Drug Safety Information for DARVON (Propoxyphene hydrochloride)

Adverse Drug Reactions for DARVON* (Propoxyphene hydrochloride)

These charts and graphs are based on reports received through the FDA Adverse Event Reporting System (FAERS) program (see below).

Top 20 Adverse Effects Associated with DARVON
(reported in FDA Medwatch/FAERS Reports)

  Side Effect # of FDA Reports
1Cardiovascular disorder3158
2Cardiac disorder2572
3Nervous system disorder1317
4Movement disorder1313
5Myocardial infarction949
6Arrhythmia933
7Cardio-respiratory arrest855
8Completed suicide496
9Death439
10Pain403
11Injury327
12Nausea*312
13Anxiety*296
14Sudden cardiac death296
15Dyspnoea294
16Toxicity to various agents283
17Dizziness*278
18Cardiac arrest270
19Asthenia223
20Respiratory arrest214

* This side effect also appears in "Top 10 Side Effects of DARVON " in the drug's Review Summary based on AskaPatient reviews.

Top 10 Reasons for Taking DARVON
(associated with FDA Medwatch/FAERS Reports)

Reason # of FDA Reports
1Pain*9546
2Product used for unknown indication4721
3Pain management1937
4Back pain230
5Analgesic therapy174
6Arthralgia139
7Pain in extremity108
8Ill-defined disorder86
9Procedural pain82
10Arthritis73

*Also a top-10 reason in AskaPatient Review Summary.


Types of Adverse Events for DARVON

Total Reports Filed with FDA: 43272


Number of FDA Adverse Event Reports by Patient Age for DARVON

Total Reports Filed with FDA: 43272*


* Reports for drugs with the same active ingredients have been aggregated in this analysis: Propoxyphene hydrochloride (Kesso-gesic, Prophene 65, Dextropropoxifeno, Propoxyphene, Dextropropoxyphene, Darvon, Dolene)

Charts are based on 43272 reports filed with the FDA between 2004 and June 2015.

Adverse Event Reports are submitted to the FDA by pharmaceutical companies (mandatory reporting is required by manufacturers, distributors, or importers), health care providers such as doctors (voluntary reporting), and by patients themselves (voluntary reporting). More Information on FDA MedWatch (FDA Safety Information and Adverse Event Reporting Program)Voluntary reporting takes place under the FDA's MedWatch program, where health care professionals and consumers submit reports to FDA when they find a problem with a drug, medical device, biologic, or other FDA-regulated product. An adverse event is any undesirable experience or extreme side effect associated with the use of a medical product. Adverse events include: death, life threatening event, hospitalization, disability or permanent damage, congenital anomaly or birth defect, medical product use requiring a surgical or other intervention, or other serious medical situation believed to be caused by the drug.

Click to go back to search results and DARVON Reviews and Review Summary .

Historical Analytics of FDA Adverse Event Reports Provided by Druginformer.com. FDA Drug Safety Information, including safety-related labeling updates, required post-approval safety studies, risk evaluation management strategies (REMS), alerts, and recalls are compiled by AskaPatient.com from the U.S. Food and Drug Administration.