Drug profile

The FDA adverse-event record for Pyrantel Pamoate (Pyrantel Embonate)

530 FDA reports name Pyrantel Pamoate (Pyrantel Embonate), a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#291 of 2,679
by report volume (all drugs)
530
adverse-event reports
14.2%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Pyrantel Pamoate (Pyrantel Embonate) ranks #291 of 2679 by total reports (530) and #395 of 1130 by death-coded share (14.2%). National dual: Milbemycin Oxime + Spinosad is #1 of 2679 drugs by total adverse-event reports (149,624) at death-coded-share rank 965 of 1130 drugs with at least 50 reports (2.3%); separately, Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) is #1 highest death-coded share at 97.8% (report rank #821).

149,624
Milbemycin Oxime + Spinosad reports (#1)
97.8%
Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) death share (#1)
#291
This drug, reports of 2679
#395
This drug, death share of 1130

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Pyrantel Pamoate (Pyrantel Embonate) has 530 reports now versus 521 in that prior snapshot: 9 more (1.7%).

Report change
+9
Death-coded reports
+0
Death-coded share
−0.2 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Pyrantel Pamoate (Pyrantel Embonate) changes

Signature read: death-coded report count at 75 is the most distinctive stamp on Pyrantel Pamoate (Pyrantel Embonate)'s FDA AER row.

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
530
Total Reports
75
Deaths Reported
14.2%
Death-coded share of reports

Active Ingredients

Pyrantel Pamoate (Pyrantel Embonate)

Administration Routes

OralUnknownSubcutaneous

Species Affected

Dog 405
Cat 64
Unknown 31
Horse 29
Goat 1

Most Affected Breeds

Retriever - Labrador 43
Dog (unknown) 39
Domestic Shorthair 38
Unknown 31
Chihuahua 22
Terrier - Yorkshire 18
Retriever - Golden 16
Terrier - Bull - American Pit 13
Shepherd Dog - German 12
Beagle 11

Most Reported Reactions

Vomiting 92
Lethargy (see also Central nervous system depression in 'Neurological') 77
Diarrhoea 76
Lack of efficacy (endoparasite) - hookworm 63
Death 52
Facial swelling (see also 'Skin') 38
Anorexia 36
Lack of efficacy (endoparasite) - roundworm NOS 31
INEFFECTIVE, ASCARIDS NOS 27
Anaphylactoid reaction 26
Fever 22
Seizure NOS 21

Outcome Breakdown

Ongoing
167 (32.6%)
Outcome Unknown
157 (30.6%)
Recovered/Normal
113 (22.0%)
Died
58 (11.3%)
Euthanized
18 (3.5%)

Pyrantel Pamoate (Pyrantel Embonate): high report volume in the FDA AER row

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.

High-volume nationwide drug peers

Two openFDA-derived peer sets for Pyrantel Pamoate (Pyrantel Embonate), both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar report volume

Nearest other drugs by FDA report count (530 here).

Similar death-coded share

Nearest other drugs by death-coded share (14.2% here), distinct from the volume row.

What to do with this drug

  • Compare Pyrantel Pamoate (Pyrantel Embonate)'s report volume and death-coded share against similar drugs nationwide. See similar drugs
  • Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
  • Browse the full drug directory to compare report counts across products. All drugs

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Pyrantel Pamoate (Pyrantel Embonate) (#291 of 2,679 by report volume); death-coded 14.2%. PlainBreed drug row · death-coded report count stamp 75 · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →