Drug profile

The FDA adverse-event record for Pyrantel Pamoate/Praziquantel

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

#189 of 2,679
by report volume (all drugs)
961
adverse-event reports
7.1%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Pyrantel Pamoate/Praziquantel ranks #189 of 2679 by total reports (961) and #692 of 1130 by death-coded share (7.1%). 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)
#189
This drug, reports of 2679
#692
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/Praziquantel has 961 reports now versus 961 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 Pyrantel Pamoate/Praziquantel changes

Signature read: 961 reports place Pyrantel Pamoate/Praziquantel in the upper third of FDA AER volume (#189 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.
961
Total Reports
68
Deaths Reported
7.1%
Death-coded share of reports

Active Ingredients

Pyrantel Pamoate/Praziquantel

Administration Routes

OralUnknownOphthalmic

Species Affected

Dog 932
Unknown 14
Human 8
Cat 7

Most Affected Breeds

Mixed (Dog) 164
Crossbred Canine/dog 115
Dog (unknown) 87
Chihuahua 69
American Pit Bull Terrier 63
Terrier - Yorkshire 39
Retriever - Labrador 37
Shih Tzu 29
Pit Bull 24
Unknown 22

Most Reported Reactions

Vomiting 488
Lethargy (see also Central nervous system depression in 'Neurological') 260
Diarrhoea 152
Not eating 73
Bloody diarrhoea 52
Death 51
Loose stool 45
Not drinking 45
Shaking 45
Anorexia 44
Overdose 42
Behavioural disorder NOS 33

Outcome Breakdown

Outcome Unknown
469 (49.5%)
Recovered/Normal
396 (41.8%)
Died
57 (6.0%)
Ongoing
15 (1.6%)
Euthanized
11 (1.2%)

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

Similar report volume

Nearest other drugs by FDA report count (961 here).

Similar death-coded share

Nearest other drugs by death-coded share (7.1% here), distinct from the volume row.

What to do with this drug

  • Compare Pyrantel Pamoate/Praziquantel'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/Praziquantel (#189 of 2,679 by report volume); death-coded 7.1%. PlainBreed drug row · report volume stamp 961 · 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 →