Drug profile

The FDA adverse-event record for Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg

844 FDA reports name Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#205 of 2,679
by report volume (all drugs)
844
adverse-event reports
0.8%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg ranks #205 of 2679 by total reports (844) and #1081 of 1130 by death-coded share (0.8%). 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)
#205
This drug, reports of 2679
#1081
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. Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg has 844 reports now versus 844 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 Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg changes

Signature read: 844 reports place Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg in the upper third of FDA AER volume (#205 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.
844
Total Reports
7
Deaths Reported
0.8%
Death-coded share of reports

Active Ingredients

Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg

Administration Routes

OralUnknown

Species Affected

Dog 789
Unknown 48
Human 5
Cat 2

Most Affected Breeds

Chihuahua 160
Terrier - Yorkshire 139
Maltese 91
Unknown 53
Shih Tzu 48
Spitz - German Pomeranian 38
Poodle - Standard 30
Crossbred Canine/dog 29
Dachshund (unspecified) 29
Poodle - Toy 27

Most Reported Reactions

Vomiting 568
Lethargy (see also Central nervous system depression in 'Neurological') 135
Diarrhoea 99
INEFFECTIVE, HEARTWORM LARVAE 58
Lack of efficacy - NOS 35
Underfilling, Package 32
Lack of efficacy (endoparasite) - hookworm 26
Uncoded sign 26
Overdose 26
Shaking 22
Behavioural disorder NOS 22
INEFFECTIVE, ASCARIDS NOS 18

Outcome Breakdown

Recovered/Normal
578 (72.6%)
Outcome Unknown
204 (25.6%)
Recovered with Sequela
4 (0.5%)
Died
4 (0.5%)
Ongoing
3 (0.4%)
Euthanized
3 (0.4%)

Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg: 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.

High-volume nationwide drug peers

Two openFDA-derived peer sets for Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

What to do with this drug

  • Compare Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg'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 Ivermectin 34Mcg, Pyrantel Pamoate 28.5Mg, Praziquantel 28.5Mg (#205 of 2,679 by report volume); death-coded 0.8%. PlainBreed drug row · report volume stamp 844 · 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 →