Drug profile

The FDA adverse-event record for Praziquantel, Pyrantel Pamoate & Febantel

76 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Praziquantel, Pyrantel Pamoate & Febantel. Species, reactions, and outcomes follow.

#904 of 2,679
by report volume (all drugs)
76
adverse-event reports
3.9%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Praziquantel, Pyrantel Pamoate & Febantel ranks #898 of 2679 by total reports (76) and #849 of 1130 by death-coded share (3.9%). 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)
#898
This drug, reports of 2679
#849
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 & Febantel has 76 reports now versus 76 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 & Febantel changes

Signature read: Praziquantel, Pyrantel Pamoate & Febantel's 3.9% death-coded share is among the lowest in the openFDA drug corpus.

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
76
Total Reports
3
Deaths Reported
3.9%
Death-coded share of reports

Active Ingredients

Praziquantel, Pyrantel Pamoate & Febantel

Administration Routes

OralUnknown

Species Affected

Dog 68
Cat 8

Most Affected Breeds

Greyhound 10
Shepherd Dog - German 7
Retriever - Labrador 7
Domestic Shorthair 5
Crossbred Canine/dog 5
Shih Tzu 4
Terrier - Yorkshire 3
Terrier - Bull - American Pit 3
Shepherd Dog - Australian 3
Chihuahua 2

Most Reported Reactions

Vomiting 16
Lack of efficacy (endoparasite) - NOS 15
Lethargy (see also Central nervous system depression in 'Neurological') 12
Ataxia 8
Anorexia 6
Diarrhoea 6
Decreased appetite 5
Fever 5
Lack of efficacy (endoparasite) - hookworm 5
Seizure NOS 4
Behavioural disorder NOS 4
Nystagmus 4

Outcome Breakdown

Ongoing
52 (68.4%)
Recovered/Normal
18 (23.7%)
Outcome Unknown
3 (3.9%)
Died
2 (2.6%)
Euthanized
1 (1.3%)

Praziquantel, Pyrantel Pamoate & Febantel: low death-coded share 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.

Nationwide drugs with similar profiles

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

What to do with this drug

  • Compare Praziquantel, Pyrantel Pamoate & Febantel'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 & Febantel (#904 of 2,679 by report volume); death-coded 3.9%. PlainBreed drug row · death-coded share stamp 3.9% · 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 →