Drug profile

The FDA adverse-event record for Metoprolol

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

37
adverse-event reports
0.0%
death-coded share
Human
most-reported species
16
Accidental exposure - 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.
37
Total Reports
0
Deaths Reported
0.0%
Death Rate

Active Ingredients

Metoprolol

Administration Routes

UnknownOral

Species Affected

Human 35
Dog 2

Most Affected Breeds

Unknown 35
Terrier - Bull - American Pit 2

Most Reported Reactions

Accidental exposure 16
Headache 4
Tingling sensation 4
Dizziness 4
Diarrhoea 4
Rash 3
Stomach upset 3
Nervousness 3
High blood pressure 3
Feeling anxious 3
Abdominal pain 2
Hives (see also 'Skin') 2

Outcome Breakdown

Outcome Unknown
16 (42.1%)
Recovered/Normal
14 (36.8%)
Ongoing
6 (15.8%)
Recovered with Sequela
2 (5.3%)

Metoprolol Adverse Event Insights

37 reports name Metoprolol; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). Active ingredient: Metoprolol. Administration routes: Unknown, Oral.

By species: Human (35 reports), Dog (2 reports). By breed: Unknown (35), Terrier - Bull - American Pit (2).

Leading clinical signs: Accidental exposure (16), Headache (4), Tingling sensation (4), Dizziness (4). Outcome, 38 coded reports: Outcome Unknown leads at 42.1%.

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.