Drug profile

The FDA adverse-event record for Ropinirole Hydrochloride

285 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Ropinirole Hydrochloride. See the species affected, top reactions, and outcomes below.

285
adverse-event reports
4.6%
death-coded share
Dog
most-reported species
160
Lack of efficacy - NOS - top reaction
Verify with FDA CVM →
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
285
Total Reports
13
Deaths Reported
4.6%
Death Rate

Active Ingredients

Ropinirole Hydrochloride

Administration Routes

OphthalmicIntraocularUnknownOtherTopicalTransplacentalSubcutaneousOral

Species Affected

Dog 277
Unknown 4
Cat 2
Human 2

Most Affected Breeds

Unknown 29
Chihuahua 17
Retriever - Labrador 16
Poodle (unspecified) 14
Pit Bull 13
Beagle 12
Bulldog - French 11
Retriever - Golden 10
Maltese 10
Dog (unknown) 10

Most Reported Reactions

Lack of efficacy - NOS 160
Vomiting 34
Tachycardia 25
Lethargy (see also Central nervous system depression in Neurological) 22
Sedation 17
Hypersalivation 13
Nausea 11
Lethargy (see also Central nervous system depression in 'Neurological') 11
Retching 10
Diarrhoea 10
Eye redness 9
Overdose 9

Outcome Breakdown

Recovered/Normal
205 (72.7%)
Outcome Unknown
49 (17.4%)
Ongoing
8 (2.8%)
Died
7 (2.5%)
Recovered with Sequela
7 (2.5%)
Euthanized
6 (2.1%)

Ropinirole Hydrochloride Adverse Event Insights

285 reports name Ropinirole Hydrochloride; 13 recorded a death outcome (4.6% of reported events, not a population-level mortality rate). Active ingredient: Ropinirole Hydrochloride. Administration routes: Ophthalmic, Intraocular, Unknown, Other.

By species: Dog (277 reports), Unknown (4 reports), Cat (2 reports). By breed: Unknown (29), Chihuahua (17), Retriever - Labrador (16).

Leading clinical signs: Lack of efficacy - NOS (160), Vomiting (34), Tachycardia (25), Lethargy (see also Central nervous system depression in Neurological) (22). Outcome, 282 coded reports: Recovered/Normal leads at 72.7%.

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.