Drug profile

The FDA adverse-event record for Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg

4,388 FDA reports name Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#51 of 2,679
by report volume (all drugs)
4,388
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/Pyrantel Pamoate Chewable 68Mcg/163Mg ranks #51 of 2679 by total reports (4,388) and #1082 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)
#51
This drug, reports of 2679
#1082
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/Pyrantel Pamoate Chewable 68Mcg/163Mg has 4,388 reports now versus 4,388 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/Pyrantel Pamoate Chewable 68Mcg/163Mg changes

Signature read: 4,388 reports place Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg in the upper third of FDA AER volume (#51 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.
4,388
Total Reports
36
Deaths Reported
0.8%
Death-coded share of reports

Active Ingredients

Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg

Administration Routes

OralUnknownSubcutaneous

Species Affected

Dog 3,962
Unknown 421
Human 2
Other Canids 1
Iguana 1
Cat 1

Most Affected Breeds

Unknown 432
Crossbred Canine/dog 371
Shih Tzu 266
Terrier - Yorkshire 251
Chihuahua 217
Dog (other) 193
Dachshund (unspecified) 165
Maltese 147
Schnauzer - Miniature 129
Dog (unknown) 120

Most Reported Reactions

Digestive tract disorder NOS 1,712
Vomiting 1,054
Lack of efficacy (endoparasite) - hookworm 884
INEFFECTIVE, HEARTWORM LARVAE 538
INEFFECTIVE, ASCARIDS NOS 532
Cardiac disorder NOS 528
Diarrhoea 433
Lethargy (see also Central nervous system depression in 'Neurological') 423
Lack of efficacy - NOS 290
Tablets, Abnormal 222
Lack of efficacy (protozoa) - Coccidia 167
Behavioural disorder NOS 113

Outcome Breakdown

Outcome Unknown
2,245 (56.4%)
Recovered/Normal
1,171 (29.4%)
Recovered with Sequela
319 (8.0%)
Ongoing
208 (5.2%)
Died
26 (0.7%)
Euthanized
11 (0.3%)

Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg: 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/Pyrantel Pamoate Chewable 68Mcg/163Mg, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

What to do with this drug

  • Compare Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg'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/Pyrantel Pamoate Chewable 68Mcg/163Mg (#51 of 2,679 by report volume); death-coded 0.8%. PlainBreed drug row · report volume stamp 4,388 · 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 →