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Flumethrin-Imidacloprid

Detailed information about Flumethrin-Imidacloprid

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:

  • Skin irritation (1 reports)
  • Lack of efficacy - flea (1 reports)
  • Itching (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:

  • Skin irritation
  • Lack of efficacy - flea
  • Itching

Most reported reactions:

  • Skin irritation (1 reports)
  • Lack of efficacy (ectoparasite) - flea (1 reports)
  • Itching (1 reports)

When to call your vet:

  • Repeated vomiting or diarrhea.
  • Severe lethargy (hard to wake, very low energy).
  • Collapse or fainting.
  • Trouble breathing.
Talk to a Vet / Find a Vet Near You Start Symptom Intake

Data freshness: source data appears current.

Latest refresh: Mar 21, 2026, 10:01 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 Feb 9, 2026, 3:15 AM UTC
  • openFDA case summaries: Source FDA openFDA | Refreshed Feb 9, 2026, 3:22 AM UTC
Image coming soon
Flumethrin-Imidacloprid

Flumethrin-Imidacloprid

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
15
Reported cases
5
Serious reports
0
Species represented
2
Grouped by Body System
Digestive (2) · Vomiting, Loss of appetite Skin & allergy (6) · Itching, Chewing - pruritus, Alopecia local Neurologic (1) · Lethargy (see also Central nervous system depression in 'Neurological') Behavior (1) · Behavioral disorder (unspecified) Effectiveness (1) · Lack of efficacy (ectoparasite) - flea Other (4) · Skin irritation, Application site scab, Application site lesion
Most Reported Reactions
Reaction Body system Cases Species Serious cases
Other 1 Cat 0
Effectiveness 1 Dog 0
Skin & allergy 1 Cat 0
Skin & allergy 1 Dog 0
Skin & allergy 1 Dog 0
Digestive 0 Dog 0
Digestive 0 Dog 0
Neurologic 0 Dog 0

Species coverage: Dog (8) Cat (7)

View detailed reaction table
Reaction Body system Species Seriousness Frequency Reports
Other Cat Non-serious - 1
Effectiveness Dog Non-serious - 1
Skin & allergy Cat Non-serious - 1
Skin & allergy Dog Non-serious - 1
Skin & allergy Dog Non-serious - 1
Digestive Dog Unknown - -
Digestive Dog Unknown - -
Neurologic Dog Unknown - -
Skin & allergy Cat Unknown - -
Skin & allergy Dog Unknown - -
Behavior Cat Unknown - -
Other Cat Unknown - -
Skin & allergy Dog Unknown - -
Other Cat Unknown - -
Other Cat 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 Feb 9, 2026, 3:15 AM UTC
  • openFDA case summaries: Source FDA openFDA | Refreshed Feb 9, 2026, 3:22 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 8 • View
Case summaries: 10 (showing 8) • 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
Skin irritation (1) Lack of efficacy (ectoparasite) - flea (1) Itching (1) Chewing - pruritus (1) Alopecia local (1) Vomiting (0) Loss of appetite (0) Lethargy (see also Central nervous system depression in 'Neurological') (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 (ectoparasite) - flea, Pruritus, Lethargy (see also Central nervous system depression in 'Neurological'), Be… (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 • Dog Loss of appetite • Dog

Showing top 5 for Digestive.

Skin & allergy
Itching (1) • Cat Chewing - pruritus (1) • Dog Alopecia local (1) • Dog Hair loss at application site • Cat Erythema • Dog
Show more (1)
Application site pruritus • Dog

Showing top 5 for Skin & allergy.

Neurologic
Tiredness (lethargy) • Dog

Showing top 5 for Neurologic.

Behavior
Behavioral disorder • Cat

Showing top 5 for Behavior.

Effectiveness
Lack of efficacy (ectoparasite) - flea (1) • Dog

Showing top 5 for Effectiveness.

Other
Skin irritation (1) • Cat Application site scab • Cat Application site lesion • Cat Application site erythema • Cat

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.

Cat, Domestic Longhair, Female, 4 year, 11 kilogram • Drug: MSK, Topical, Dose: 1 collar per dose, Frequency: 1 per day • Reactions: Itching • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2024-US-058252
  • Serious AE: No
  • Treated For AE: No
  • Sex: Female
  • Age: 4.00 Year
  • Weight: 11.000 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Topical
  • Dose: 1 collar per dose
  • Frequency: 1 per day
Reactions Reported:
Itching
Outcomes: Outcome Unknown

Cat, Cat (unknown), Unknown • Drug: MSK, Topical, Dose: 1 collar per dose, Frequency: 1 per day • Reactions: Lack of efficacy (ectoparasite) - flea • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2024-US-058248
  • Serious AE: No
  • Treated For AE: No
  • Sex: Unknown
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Topical
  • Dose: 1 collar per dose
  • Frequency: 1 per day
Reactions Reported:
Lack of efficacy (ectoparasite) - flea
Outcomes: Outcome Unknown

Dog, Dog (unknown), Unknown • Drug: MSK, Topical, Dose: 1 collar per dose, Frequency: 1 per day • Reactions: Lack of efficacy (ectoparasite) - flea • Outcome: Recovered/Normal

  • Report ID: USA-USFDACVM-2024-US-058244
  • Serious AE: No
  • Treated For AE: No
  • Sex: Unknown
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Topical
  • Dose: 1 collar per dose
  • Frequency: 1 per day
Reactions Reported:
Lack of efficacy (ectoparasite) - flea
Outcomes: Recovered/Normal

Dog, ['Boxer (German Boxer)', 'Retriever - Golden'], Male, 4 year, 41 kilogram • Drug: MSK, Topical, Dose: 1 collar per dose, Frequency: 1 per day • Reactions: Lack of efficacy (ectoparasite) - flea • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2024-US-056227
  • Serious AE: No
  • Treated For AE: No
  • Sex: Male
  • Age: 4.00 Year
  • Weight: 41.000 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Topical
  • Dose: 1 collar per dose
  • Frequency: 1 per day
Reactions Reported:
Lack of efficacy (ectoparasite) - flea
Outcomes: Outcome Unknown

Dog, Retriever - Labrador, Female, 7 year, 36.287 kilogram • Drug: MSK, Topical, Dose: 1 collar per dose, Frequency: 1 per day • Reactions: Chewing - pruritus, Alopecia local, Lack of efficacy (ectoparasite) - flea • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2024-US-055038
  • Serious AE: No
  • Treated For AE: No
  • Sex: Female
  • Age: 7.00 Year
  • Weight: 36.287 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Topical
  • Dose: 1 collar per dose
  • Frequency: 1 per day
Reactions Reported:
Chewing - pruritus Alopecia local Lack of efficacy (ectoparasite) - flea
Outcomes: Outcome Unknown

Dog, Dog (unknown), Unknown • Drug: MSK, Topical, Dose: 1 collar per dose, Frequency: 1 per day • Reactions: Lack of efficacy (ectoparasite) - flea • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2024-US-053176
  • Serious AE: No
  • Treated For AE: No
  • Sex: Unknown
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Topical
  • Dose: 1 collar per dose
  • Frequency: 1 per day
Reactions Reported:
Lack of efficacy (ectoparasite) - flea
Outcomes: Outcome Unknown

Cat, Domestic Shorthair, Female, 7 year, 7.711 kilogram • Drug: MSK, Topical, Dose: 1 collar per dose, Frequency: 1 per day • Reactions: Lack of efficacy (ectoparasite) - flea • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2024-US-051328
  • Serious AE: No
  • Treated For AE: No
  • Sex: Female
  • Age: 7.00 Year
  • Weight: 7.711 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Topical
  • Dose: 1 collar per dose
  • Frequency: 1 per day
Reactions Reported:
Lack of efficacy (ectoparasite) - flea
Outcomes: Outcome Unknown

Cat, Domestic Shorthair, Female, 5 year, 3 kilogram • Drug: MSK, Topical, Dose: 1 collar per dose, Frequency: 1 per day • Reactions: Skin irritation, Itching, Lack of efficacy (ectoparasite) - flea • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2024-US-051329
  • Serious AE: No
  • Treated For AE: No
  • Sex: Female
  • Age: 5.00 Year
  • Weight: 3.000 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Topical
  • Dose: 1 collar per dose
  • Frequency: 1 per day
Reactions Reported:
Skin irritation Itching Lack of efficacy (ectoparasite) - flea
Outcomes: Outcome Unknown

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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