Drug profile

The FDA adverse-event record for Enalapril Maleate

476 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Enalapril Maleate. See the species affected, top reactions, and outcomes below.

476
adverse-event reports
11.6%
death-coded share
Dog
most-reported species
80
Vomiting - 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.
476
Total Reports
55
Deaths Reported
11.6%
Death Rate

Active Ingredients

Enalapril Maleate

Administration Routes

OralUnknownOphthalmicOther

Species Affected

Dog 451
Cat 20
Human 4
Other Birds 1

Most Affected Breeds

Chihuahua 46
Terrier - Yorkshire 29
Spaniel - King Charles Cavalier 28
Spitz - German Pomeranian 23
Maltese 19
Retriever - Labrador 19
Shih Tzu 18
Crossbred Canine/dog 17
Terrier - Jack Russell 15
Schnauzer (unspecified) 13

Most Reported Reactions

Vomiting 80
Lethargy (see also Central nervous system depression in 'Neurological') 72
Emesis 68
Diarrhoea 49
Death by euthanasia 32
Lack of efficacy - NOS 29
Seizure NOS 28
Other abnormal test result NOS 25
Elevated blood urea nitrogen (BUN) 24
Not eating 24
Behavioural disorder NOS 24
Weight loss 24

Outcome Breakdown

Recovered/Normal
172 (36.1%)
Outcome Unknown
137 (28.8%)
Ongoing
84 (17.6%)
Euthanized
32 (6.7%)
Recovered with Sequela
28 (5.9%)
Died
23 (4.8%)

Enalapril Maleate Adverse Event Insights

476 reports name Enalapril Maleate; 55 recorded a death outcome (11.6% of reported events, not a population-level mortality rate). Active ingredient: Enalapril Maleate. Administration routes: Oral, Unknown, Ophthalmic, Other.

By species: Dog (451 reports), Cat (20 reports), Human (4 reports). By breed: Chihuahua (46), Terrier - Yorkshire (29), Spaniel - King Charles Cavalier (28).

Leading clinical signs: Vomiting (80), Lethargy (see also Central nervous system depression in 'Neurological') (72), Emesis (68), Diarrhoea (49). Outcome, 476 coded reports: Recovered/Normal leads at 36.1%.

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.