Drug profile

The FDA adverse-event record for Amlodipine

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

582
adverse-event reports
13.6%
death-coded share
Dog
most-reported species
77
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.
582
Total Reports
79
Deaths Reported
13.6%
Death Rate

Active Ingredients

Amlodipine

Administration Routes

OralUnknownTopicalTransdermalSubcutaneous

Species Affected

Dog 277
Cat 273
Human 32

Most Affected Breeds

Domestic Shorthair 172
Unknown 33
Terrier - Yorkshire 21
Domestic Longhair 18
Cat (unknown) 17
Retriever - Labrador 16
Siamese 15
Maltese 14
Beagle 13
Shih Tzu 12

Most Reported Reactions

Vomiting 77
Diarrhoea 71
Weight loss 63
Death by euthanasia 56
Lethargy (see also Central nervous system depression in Neurological) 55
Decreased appetite 50
Lethargy (see also Central nervous system depression in 'Neurological') 48
Elevated blood urea nitrogen (BUN) 47
Not eating 42
Lack of efficacy - NOS 41
Anorexia 38
Elevated creatinine 37

Outcome Breakdown

Ongoing
204 (35.1%)
Outcome Unknown
168 (28.9%)
Recovered/Normal
126 (21.6%)
Euthanized
54 (9.3%)
Died
25 (4.3%)
Recovered with Sequela
5 (0.9%)

Amlodipine Adverse Event Insights

582 reports name Amlodipine; 79 recorded a death outcome (13.6% of reported events, not a population-level mortality rate). Active ingredient: Amlodipine. Administration routes: Oral, Unknown, Topical, Transdermal.

By species: Dog (277 reports), Cat (273 reports), Human (32 reports). By breed: Domestic Shorthair (172), Unknown (33), Terrier - Yorkshire (21).

Leading clinical signs: Vomiting (77), Diarrhoea (71), Weight loss (63), Death by euthanasia (56). Outcome, 582 coded reports: Ongoing leads at 35.1%.

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.