Drug profile

The FDA adverse-event record for Heart Medication (Unknown)

49 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Heart Medication (Unknown). See the species affected, top reactions, and outcomes below.

49
adverse-event reports
22.4%
death-coded share
Dog
most-reported species
8
Death - 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.
49
Total Reports
11
Deaths Reported
22.4%
Death Rate

Active Ingredients

Heart Medication (Unknown)

Administration Routes

UnknownOral

Species Affected

Dog 42
Cat 5
Human 2

Most Affected Breeds

Dog (unknown) 5
Shih Tzu 4
Domestic Shorthair 3
Maltese 2
Spaniel - King Charles Cavalier 2
Schnauzer - Miniature 2
Chihuahua 2
Terrier (unspecified) 2
Terrier - Yorkshire 2
Dachshund (unspecified) 2

Most Reported Reactions

Death 8
Emesis 8
Lack of efficacy (ectoparasite) - flea 6
Lack of efficacy - NOS 6
Lethargy (see also Central nervous system depression in 'Neurological') 6
Not eating 4
Vomiting 4
Weight loss 3
Unable to stand 3
Death by euthanasia 3
Diarrhoea 3
Disorientation 2

Outcome Breakdown

Recovered/Normal
15 (30.6%)
Outcome Unknown
13 (26.5%)
Died
8 (16.3%)
Ongoing
8 (16.3%)
Euthanized
3 (6.1%)
Recovered with Sequela
2 (4.1%)

Heart Medication (Unknown) Adverse Event Insights

49 reports name Heart Medication (Unknown); 11 recorded a death outcome (22.4% of reported events, not a population-level mortality rate). Active ingredient: Heart Medication (Unknown). Administration routes: Unknown, Oral.

By species: Dog (42 reports), Cat (5 reports), Human (2 reports). By breed: Dog (unknown) (5), Shih Tzu (4), Domestic Shorthair (3).

Leading clinical signs: Death (8), Emesis (8), Lack of efficacy (ectoparasite) - flea (6), Lack of efficacy - NOS (6). Outcome, 49 coded reports: Recovered/Normal leads at 30.6%.

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.