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Meds A-Z

Ivermectin/Pyrantel Pamoate Chewable 136Mcg/326Mg

Detailed information about Ivermectin/Pyrantel Pamoate Chewable 136Mcg/326Mg

Official label facts Owner quick guide first Marketing clearly labeled

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Reviewed / Updated / Sources

Reviewed: Not available

Updated: February 12, 2026, 10:44 PM UTC

Sources:

Pet Owner Quick Guide

Start here first for the simple next-step summary.

Used for:

Your vet decides this. Here's what owners typically ask/watch for.

What to watch for:

  • Vomiting (1 reports)
  • Lack of efficacy - heartworm (1 reports)
  • Attention-seeking behaviour (1 reports)

When to call the vet:

  • Repeated vomiting or diarrhea.
  • Severe lethargy (hard to wake, very low energy).
  • Collapse or fainting.
  • Trouble breathing.
  • Facial swelling or hives.
  • Blood in vomit or stool.

What to ask your vet today:

  • Is this medicine the right fit for my pet’s current symptoms?
  • Which warning signs mean I should call back right away?
  • How should I handle missed doses or refusal to take the medicine?
Safety & side effects

What to watch:

  • Vomiting
  • Lack of efficacy - heartworm
  • Attention-seeking behaviour

Most reported reactions:

  • Vomiting (1 reports)
  • Lack of efficacy (endoparasite) - heartworm (1 reports)
  • Attention-seeking behaviour (1 reports)

When to call your vet:

  • Repeated vomiting or diarrhea.
  • Severe lethargy (hard to wake, very low energy).
  • Collapse or fainting.
  • Trouble breathing.

Data freshness: source data appears current.

Latest refresh: Mar 21, 2026, 10:03 a.m.

Data freshness
  • Medication catalog: Source Roxee | Refreshed Feb 12, 2026, 10:44 PM UTC
  • Animal Drug Product Listing Directory (NDC): Source FDA | Refreshed Mar 21, 2026, 10:01 AM UTC
    Package/product NDCs from FDA’s electronic listing directory (XLS).
  • openFDA reaction terms: Source FDA openFDA | Refreshed Mar 21, 2026, 10:03 AM UTC
  • openFDA case summaries: Source FDA openFDA | Refreshed Feb 9, 2026, 3:20 AM UTC
Image coming soon
Ivermectin/Pyrantel Pamoate Chewable 136Mcg/326Mg

Ivermectin/Pyrantel Pamoate Chewable 136Mcg/326Mg

Drug type: Generic ingredient • Generic profile No FDA branded products linked

Species: Both

Manufacturer: Not available (source)

Quick Facts

Official label facts first, then secondary summaries. Marketing content is separated below.

Species: Both
Manufacturer: Not available

Adverse Reactions

Snapshot first, detailed rows second. This section summarizes signal data and is not a diagnosis.

Tap or hover a reaction to see what it means in plain language.

Tracked signals
9
Reported cases
3
Serious reports
0
Species represented
1
Grouped by Body System
Digestive (3) · Vomiting, Loss of appetite, Diarrhea Neurologic (2) · Unsteady walking (ataxia), Lethargy (see also Central nervous system depression in 'Neurological') Behavior (1) · Attention-seeking behaviour Effectiveness (2) · Lack of efficacy (endoparasite) - heartworm, Lack of efficacy (endoparasite) - hookworm Other (1) · Inappetence
Most Reported Reactions
Reaction Body system Cases Species Serious cases
Digestive 1 Dog 0
Effectiveness 1 Dog 0
Behavior 1 Dog 0
Neurologic 0 Dog 0
Digestive 0 Dog 0
Neurologic 0 Dog 0
Effectiveness 0 Dog 0
Other 0 Dog 0

Species coverage: Dog (9)

View detailed reaction table
Reaction Body system Species Seriousness Frequency Reports
Digestive Dog Non-serious - 1
Effectiveness Dog Non-serious - 1
Behavior Dog Non-serious - 1
Neurologic Dog Unknown - -
Digestive Dog Unknown - -
Neurologic Dog Unknown - -
Effectiveness Dog Unknown - -
Other Dog Unknown - -
Digestive Dog Unknown - -
Source metadata:
Veterinary reference (advanced)

Canonical medication sections are above. This legacy block remains available for deeper cross-reference without cluttering the primary workflow.

At a Glance

Quick facts and links to official labeling and safety signals.

Data freshness
  • Medication catalog: Source Roxee | Refreshed Feb 12, 2026, 10:44 PM UTC
  • Animal Drug Product Listing Directory (NDC): Source FDA | Refreshed Mar 21, 2026, 10:01 AM UTC
    Package/product NDCs from FDA’s electronic listing directory (XLS).
  • openFDA reaction terms: Source FDA openFDA | Refreshed Mar 21, 2026, 10:03 AM UTC
  • openFDA case summaries: Source FDA openFDA | Refreshed Feb 9, 2026, 3:20 AM UTC
Official (FDA)
Identity: Generic ingredient • No FDA branded products linked
No official FDA brand rows linked yet for this ingredient.
Case-reported brands (openFDA): MSK
Catalog species: Both
Safety (openFDA)
Top reactions: Dog 8 Cat 0 View
Case summaries: 5 (showing 5) View
openFDA reports are unverified and do not prove causation.

Diagnosis Codes

Diagnosis-code mappings are not available for this medication yet.

Counseling and Monitoring Highlights

Global Pet owner/Vet mode is controlled in the header. This section avoids duplicate in-page persona tabs.

Top reaction signals
Vomiting (1) Lack of efficacy (endoparasite) - heartworm (1) Attention-seeking behaviour (1) Unsteady walking (ataxia) (0) Loss of appetite (0) Lethargy (see also Central nervous system depression in 'Neurological') (0) Lack of efficacy (endoparasite) - hookworm (0) Inappetence (0)

Data Sources & Change Log

Every non-trivial field is expected to include provenance and update timestamps.

Official 1 Clinical 0 Manufacturer 0 Marketing 0
Current Field Facts
  • side_effects: Top reported reactions (openFDA): Lack of efficacy (endoparasite) - heartworm, Vomiting, Diarrhoea, Lethargy (see also Central nervous system depression in 'Ne… (Official, 2026-02-12)
Recent Revisions
  • side_effects updated 2026-02-12 22:44 by etl_backfill • Backfilled from existing medication fields

Top Reported Reactions (openFDA)

De-duplicated reaction terms grouped by body system from FDA openFDA reports (not verified; does not prove causation).

Digestive
Vomiting (1) • Dog Loss of appetite • Dog Diarrhea • Dog

Showing top 5 for Digestive.

Neurologic
Unsteady walking • Dog Tiredness (lethargy) • Dog

Showing top 5 for Neurologic.

Behavior
Attention-seeking behaviour (1) • Dog

Showing top 5 for Behavior.

Effectiveness
Lack of efficacy (endoparasite) - heartworm (1) • Dog Lack of efficacy (endoparasite) - hookworm • Dog

Showing top 5 for Effectiveness.

Other
Inappetence • Dog

Showing top 5 for Other.

Data source: FDA openFDA Animal & Veterinary adverse event reports.

Adverse Event Case Summaries (openFDA)

These are individual FDA adverse event reports. They are unverified and do not prove the medication caused the reaction.

Dog, ['Shepherd (unspecified)', 'Dog (unknown)'], Male, 14 month, 26.762 kilogram • Drug: MSK, Oral, Dose: 1 tablet per animal, Frequency: 1 per month • Reactions: Lack of efficacy (endoparasite) - heartworm • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-055791
  • Serious AE: No
  • Treated For AE: Yes
  • Sex: Male
  • Age: 14.00 Month
  • Weight: 26.762 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Dose: 1 tablet per animal
  • Frequency: 1 per month
Reactions Reported:
Lack of efficacy (endoparasite) - heartworm
Outcomes: Ongoing

Dog, Crossbred Canine/dog, Female, 7 year, 14.061 kilogram • Drug: MSK, Oral, Dose: 1 tablet per animal, Frequency: 1 per day • Reactions: Vomiting • Outcome: Recovered/Normal

  • Report ID: USA-USFDACVM-2025-US-055518
  • Serious AE: No
  • Treated For AE: No
  • Sex: Female
  • Age: 7.00 Year
  • Weight: 14.061 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Dose: 1 tablet per animal
  • Frequency: 1 per day
Reactions Reported:
Vomiting
Outcomes: Recovered/Normal

Dog, ['Chihuahua', 'Dog (unknown)'], Female, 3 year, 8.618 kilogram • Drug: MSK, Oral, Dose: 1 tablet per animal, Frequency: 30 per day • Reactions: Lack of efficacy (endoparasite) - heartworm • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2025-US-052687
  • Serious AE: No
  • Treated For AE: No
  • Sex: Female
  • Age: 3.00 Year
  • Weight: 8.618 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Dose: 1 tablet per animal
  • Frequency: 30 per day
Reactions Reported:
Lack of efficacy (endoparasite) - heartworm
Outcomes: Outcome Unknown

Dog, ['Beagle', 'Crossbred Canine/dog'], Male, 10 month, 20.86 kilogram • Drug: MSK, Oral, Dose: 1 tablet per animal • Reactions: Lack of efficacy (endoparasite) - heartworm • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2025-US-041586
  • Serious AE: No
  • Treated For AE: Yes
  • Sex: Male
  • Age: 10.00 Month
  • Weight: 20.860 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Dose: 1 tablet per animal
Reactions Reported:
Lack of efficacy (endoparasite) - heartworm
Outcomes: Outcome Unknown

Dog, Collie - Border, Male, 8 year, 19.504 kilogram • Drug: MSK, Oral • Reactions: Vomiting, Attention-seeking behaviour • Outcome: Recovered/Normal

  • Report ID: USA-USFDACVM-2025-US-034655
  • Serious AE: No
  • Treated For AE: No
  • Sex: Male
  • Age: 8.00 Year
  • Weight: 19.504 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
Reactions Reported:
Vomiting Attention-seeking behaviour
Outcomes: Recovered/Normal

Data source: FDA openFDA Animal & Veterinary adverse event reports.

Overdose Information

No approved overdose-management text is linked yet. If overdose is suspected, contact a veterinarian or emergency clinic immediately.

Storage & Handling

No approved storage guidance is linked yet for this ingredient. Use manufacturer packaging and veterinary guidance for handling/storage.

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