Drug profile

The FDA adverse-event record for Ivermectin 136Mcg, Pyrantel 114Mg

450 FDA reports name Ivermectin 136Mcg, Pyrantel 114Mg, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#327 of 2,679
by report volume (all drugs)
450
adverse-event reports
1.3%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Ivermectin 136Mcg, Pyrantel 114Mg ranks #327 of 2679 by total reports (450) and #1044 of 1130 by death-coded share (1.3%). 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)
#327
This drug, reports of 2679
#1044
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 136Mcg, Pyrantel 114Mg has 450 reports now versus 450 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 136Mcg, Pyrantel 114Mg changes

Signature read: 450 reports place Ivermectin 136Mcg, Pyrantel 114Mg in the upper third of FDA AER volume (#327 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.
450
Total Reports
6
Deaths Reported
1.3%
Death-coded share of reports

Active Ingredients

Ivermectin 136Mcg, Pyrantel 114Mg

Administration Routes

OralUnknown

Species Affected

Dog 419
Unknown 29
Human 1
Cat 1

Most Affected Breeds

Crossbred Canine/dog 48
Retriever - Labrador 47
Beagle 45
Unknown 30
Shepherd Dog - German 20
Spaniel - Cocker American 17
Collie - Border 15
Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog) 13
Dog (unknown) 11
Sheepdog - Shetland 11

Most Reported Reactions

INEFFECTIVE, HEARTWORM LARVAE 191
Vomiting 82
Lack of efficacy (endoparasite) - hookworm 62
Lack of efficacy - NOS 59
Diarrhoea 36
INEFFECTIVE, ASCARIDS NOS 35
Drug dose administration interval too long 27
Lethargy (see also Central nervous system depression in 'Neurological') 25
Underfilling, Package 18
Underdose 18
Drug dose omission 16
Uncoded sign 15

Outcome Breakdown

Outcome Unknown
252 (59.9%)
Recovered/Normal
133 (31.6%)
Recovered with Sequela
19 (4.5%)
Ongoing
11 (2.6%)
Died
6 (1.4%)

Ivermectin 136Mcg, Pyrantel 114Mg: 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 136Mcg, Pyrantel 114Mg, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

What to do with this drug

  • Compare Ivermectin 136Mcg, Pyrantel 114Mg'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 136Mcg, Pyrantel 114Mg (#327 of 2,679 by report volume); death-coded 1.3%. PlainBreed drug row · report volume stamp 450 · 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 →