Drug Safety Information for DARVON-N (Propoxyphene napsylate)

Adverse Drug Reactions for DARVON-N* (Propoxyphene napsylate)

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-N
(reported in FDA Medwatch/FAERS Reports)

	Side Effect	# of FDA Reports
1	Nausea	5
2	Vomiting*	3
3	Atrial fibrillation	3
4	Drug hypersensitivity	3
5	Confusional state	3
6	Headache*	3
7	Loss of consciousness	3
8	Weight increased	3
9	Asthenia	3
10	Hypotension	3
11	Haemoglobin decreased	3
12	Pyrexia	3
13	Gastrooesophageal reflux disease	2
14	Somnolence*	2
15	Pain	2
16	Drug ineffective*	2
17	Atelectasis	2
18	Dysuria	2
19	Platelet count decreased	2
20	Fibromyalgia	2

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

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

	Reason	# of FDA Reports
1	Product used for unknown indication	20
2	Pain*	19
3	Insomnia	5
4	Procedural pain	3
5	Sciatica	3

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

Types of Adverse Events for DARVON-N

Total Reports Filed with FDA: 338

Number of FDA Adverse Event Reports by Patient Age for DARVON-N

Total Reports Filed with FDA: 338*

* Reports for drugs with the same active ingredients have been aggregated in this analysis: Propoxyphene napsylate (Darvon-n)

Charts are based on 338 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.

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.