Drug profile

The FDA adverse-event record for Copper Naphthenate

180 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Copper Naphthenate. See the species affected, top reactions, and outcomes below.

180
adverse-event reports
0.6%
death-coded share
Unknown
most-reported species
49
Vials, Leaking - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
180
Total Reports
1
Deaths Reported
0.6%
Death Rate

Active Ingredients

Copper Naphthenate

Administration Routes

UnknownTopicalOralOphthalmicOtherRespiratory (Inhalation)NasalIntradermal

Species Affected

Unknown 96
Human 43
Horse 15
Dog 14
Cat 5
Goat 4
Sheep 2
Other Deer 1

Most Affected Breeds

Unknown 142
Quarter Horse 5
Paint 4
Domestic (unspecified) 4
Retriever - Labrador 2
Goat (unknown) 2
Retriever - Golden 2
Sheep (unknown) 2
Miniature 2
Horse (unknown) 2

Most Reported Reactions

Vials, Leaking 49
Accidental exposure 49
Unclassifiable adverse event 21
No sign 20
Seal, Abnormal 15
Caps, Abnormal 13
Containers, Leaking 13
Eye irritation 9
Containers, Damaged 8
Closure, Abnormal 8
Bottles, Damaged 7
Nausea 6

Outcome Breakdown

Outcome Unknown
35 (72.9%)
Recovered/Normal
10 (20.8%)
Ongoing
2 (4.2%)
Died
1 (2.1%)

Copper Naphthenate Adverse Event Insights

180 reports name Copper Naphthenate; 1 recorded a death outcome (0.6% of reported events, not a population-level mortality rate). Active ingredient: Copper Naphthenate. Administration routes: Unknown, Topical, Oral, Ophthalmic.

By species: Unknown (96 reports), Human (43 reports), Horse (15 reports). By breed: Unknown (142), Quarter Horse (5), Paint (4).

Leading clinical signs: Vials, Leaking (49), Accidental exposure (49), Unclassifiable adverse event (21), No sign (20). Outcome, 48 coded reports: Outcome Unknown leads at 72.9%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.