Drug profile

The FDA adverse-event record for Praziquantel & Pyrantel Pamoate

126 FDA reports name Praziquantel & Pyrantel Pamoate, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#695 of 2,679
by report volume (all drugs)
126
adverse-event reports
8.7%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Praziquantel & Pyrantel Pamoate ranks #691 of 2679 by total reports (126) and #607 of 1130 by death-coded share (8.7%). 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)
#691
This drug, reports of 2679
#607
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. Praziquantel & Pyrantel Pamoate has 126 reports now versus 126 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
−0.0 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 Praziquantel & Pyrantel Pamoate changes

Signature read: 126 reports place Praziquantel & Pyrantel Pamoate in the upper third of FDA AER volume (#695 of 2,679).

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
126
Total Reports
11
Deaths Reported
8.7%
Death-coded share of reports

Active Ingredients

Praziquantel & Pyrantel Pamoate

Administration Routes

OralUnknownOphthalmic

Species Affected

Dog 88
Cat 38

Most Affected Breeds

Domestic Shorthair 26
Retriever - Labrador 10
Terrier - Bull - American Pit 7
Terrier - Yorkshire 5
Retriever - Golden 4
Terrier (unspecified) 4
Domestic Longhair 4
Retriever (unspecified) 3
Boxer (German Boxer) 3
Siberian Husky 3

Most Reported Reactions

Vomiting 39
Lethargy (see also Central nervous system depression in 'Neurological') 28
Ataxia 14
Diarrhoea 13
Anorexia 13
Lack of efficacy (endoparasite) - hookworm 11
Fever 9
Not eating 9
Anaemia NOS 8
Other abnormal test result NOS 8
Leucocytosis NOS 8
Decreased appetite 7

Outcome Breakdown

Ongoing
75 (59.5%)
Recovered/Normal
27 (21.4%)
Outcome Unknown
13 (10.3%)
Euthanized
6 (4.8%)
Died
5 (4.0%)

Praziquantel & Pyrantel Pamoate: 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 Praziquantel & Pyrantel Pamoate, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar death-coded share

Nearest other drugs by death-coded share (8.7% here), distinct from the volume row.

What to do with this drug

  • Compare Praziquantel & Pyrantel Pamoate'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 Praziquantel & Pyrantel Pamoate (#695 of 2,679 by report volume); death-coded 8.7%. PlainBreed drug row · report volume stamp 126 · 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 →