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Fenbendazol Suspension

Detailed information about Fenbendazol Suspension

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:

  • Tongue ulceration (1 reports)
  • very low energy (1 reports)
  • Sneezing (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:

  • Tongue ulceration
  • very low energy
  • Sneezing

Most reported reactions:

  • Tongue ulceration (1 reports)
  • Tiredness (lethargy) (1 reports)
  • Sneezing (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 Mar 2, 2026, 11:04 AM UTC
  • openFDA case summaries: Source FDA openFDA | Refreshed Feb 9, 2026, 3:22 AM UTC
Image coming soon
Fenbendazol Suspension

Fenbendazol Suspension

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
28
Reported cases
22
Serious reports
19
Species represented
2
Grouped by Body System
Digestive (3) · Vomiting, Drooling, Diarrhea Neurologic (3) · Tiredness (lethargy), Seizure NOS, Lethargy (see also Central nervous system depression in 'Neurological') Effectiveness (6) · Lack of efficacy (protozoa) - Coccidia, Lack of efficacy (endoparasite) - tapeworm, Lack of efficacy (endoparasite) - roundworm NOS Other (16) · Trembling, Tongue ulceration, Sneezing
Most Reported Reactions
Reaction Body system Cases Species Serious cases
Other 1 Cat 1
Neurologic 1 Cat 1
Other 1 Cat 1
Neurologic 1 Cat 1
Other 1 Cat 1
Other 1 Cat 1
Effectiveness 1 Cat 1
Effectiveness 1 Cat 1

Species coverage: Cat (18) Dog (10)

View detailed reaction table
Reaction Body system Species Seriousness Frequency Reports
Digestive Dog Non-serious - 1
Other Dog Non-serious - 1
Other Cat Serious - 1
Neurologic Cat Serious - 1
Other Cat Serious - 1
Neurologic Cat Serious - 1
Other Cat Serious - 1
Other Cat Serious - 1
Effectiveness Cat Serious - 1
Effectiveness Cat Serious - 1
Effectiveness Cat Serious - 1
Effectiveness Dog Serious - 1
Effectiveness Cat Non-serious - 1
Effectiveness Dog Serious - 1
Other Cat Serious - 1
Other Dog Serious - 1
Other Cat Serious - 1
Digestive Cat Serious - 1
Digestive Dog Serious - 1
Other Cat Serious - 1
Other Cat Serious - 1
Other Cat Serious - 1
Neurologic Dog Unknown - -
Other Cat Unknown - -
Other Dog Unknown - -
Other Dog Unknown - -
Other Cat Unknown - -
Other 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 2, 2026, 11:04 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 10 • 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
Tongue ulceration (1) Tiredness (lethargy) (1) Sneezing (1) Seizure NOS (1) Overdose (1) Not eating (1) Lack of efficacy (protozoa) - Coccidia (1) Lack of efficacy (endoparasite) - tapeworm (1)

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): Diarrhoea, Lack of efficacy (endoparasite) - hookworm, Drug administration error, Death, Lethargy (see also Central nervous s… (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 Drooling (1) • Cat Diarrhea (1) • Dog

Showing top 5 for Digestive.

Neurologic
Tiredness (1) • Cat Seizure NOS (1) • Cat Tiredness (lethargy) • Dog

Showing top 5 for Neurologic.

Effectiveness
Lack of efficacy (protozoa) - Coccidia (1) • Cat Lack of efficacy (endoparasite) - tapeworm (1) • Cat Lack of efficacy (endoparasite) - roundworm NOS (1) • Cat Lack of efficacy (endoparasite) - hookworm (1) • Dog Lack of efficacy (ectoparasite) - flea (1) • Cat
Show more (1)
Lack of efficacy (bacteria) - Ehrlichia (1) • Dog

Showing top 5 for Effectiveness.

Other
Trembling (1) • Dog Tongue ulceration (1) • Cat Sneezing (1) • Cat Overdose (1) • Cat Not eating (1) • Cat
Show more (10)
Intentional misuse (1) • Cat Foaming at the mouth (1) • Dog Drug dose administration interval too short (1) • Cat Death (1) • Cat Collapse NOS (1) • Cat Administration error NOS (1) • Cat Hypoglycaemia • Cat Drug administration error • Dog Dehydration • Cat Death by euthanasia • 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, Retriever - Labrador, Female, 4 year, 20.865 kilogram • Drug: MSK, Suspension, Oral • Reactions: Lack of efficacy (endoparasite) - hookworm • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-053964
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Female
  • Age: 4.00 Year
  • Weight: 20.865 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Form: Suspension
Reactions Reported:
Lack of efficacy (endoparasite) - hookworm
Outcomes: Ongoing

Dog, ['Crossbred Canine/dog', 'Beagle'], Female, 3 month, 15.286 kilogram • Drug: MSK, Suspension, Oral, Dose: 3.30 mL per animal • Reactions: Lack of efficacy (endoparasite) - hookworm, Lack of efficacy (bacteria) - Ehrlichia • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-050421
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Female
  • Age: 3.00 Month
  • Weight: 15.286 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Form: Suspension
  • Dose: 3.30 mL per animal
Reactions Reported:
Lack of efficacy (endoparasite) - hookworm Lack of efficacy (bacteria) - Ehrlichia
Outcomes: Ongoing

Dog, Mixed (Dog), Mixed, 1 year, 4.8 kilogram • Drug: MSK, Suspension, Oral, Dose: 41 Milligram per kilogram, Frequency: 1 per day • Reactions: Trembling, Vomiting • Outcome: Recovered/Normal

  • Report ID: USA-USFDACVM-2025-US-049758
  • Serious AE: No
  • Treated For AE: No
  • Sex: Mixed
  • Age: 1.00 Year
  • Weight: 4.800 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Form: Suspension
  • Dose: 41 Milligram per kilogram
  • Frequency: 1 per day
Reactions Reported:
Trembling Vomiting
Outcomes: Recovered/Normal

Dog, Greyhound, Female, 12 year, 34.92 kilogram • Drug: MSK, Suspension, Oral • Reactions: Lack of efficacy (endoparasite) - hookworm • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2025-US-049685
  • Serious AE: No
  • Treated For AE: No
  • Sex: Female
  • Age: 12.00 Year
  • Weight: 34.920 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Form: Suspension
Reactions Reported:
Lack of efficacy (endoparasite) - hookworm
Outcomes: Outcome Unknown

Dog, Papillon - Spaniel - Continental Toy (with erect ears or with dropped ears (Phaléne)), Female, 16 year, 2.776 kilogram • Drug: MSK, Suspension, Oral, Frequency: 24 per hour • Reactions: Diarrhea, Foaming at the mouth • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-048466
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Female
  • Age: 16.00 Year
  • Weight: 2.776 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Form: Suspension
  • Frequency: 24 per hour
Reactions Reported:
Diarrhea Foaming at the mouth
Outcomes: Ongoing

Cat, Domestic Shorthair, Male, 3 month, 2.223 kilogram • Drug: MSK, Suspension, Oral, Frequency: 1 per day • Reactions: Lack of efficacy (endoparasite) - roundworm NOS, Lack of efficacy (endoparasite) - tapeworm, Lack of efficacy (protozoa) - Coccidia, Tiredness (lethargy), Drooling… • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2024-US-078514
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 3.00 Month
  • Weight: 2.223 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Form: Suspension
  • Frequency: 1 per day
Reactions Reported:
Lack of efficacy (endoparasite) - roundworm NOS Lack of efficacy (endoparasite) - tapeworm Lack of efficacy (protozoa) - Coccidia Tiredness (lethargy) Drooling Not eating Sneezing Tongue ulceration
Outcomes: Ongoing

Cat, Domestic Shorthair, Male, 8 month, 3.629 kilogram • Drug: MSK, Suspension, Oral, Frequency: 1 per day • Reactions: Seizure NOS • Outcome: Recovered/Normal

  • Report ID: USA-USFDACVM-2024-US-064956
  • Serious AE: Yes
  • Treated For AE: No
  • Sex: Male
  • Age: 8.00 Month
  • Weight: 3.629 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Form: Suspension
  • Frequency: 1 per day
Reactions Reported:
Seizure NOS
Outcomes: Recovered/Normal

Cat, Domestic Longhair, Female, 9 week, 1.361 kilogram • Drug: MSK, Suspension, Oral, Dose: 0.50 mL per animal • Reactions: Lack of efficacy (ectoparasite) - flea • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2024-US-080033
  • Serious AE: No
  • Treated For AE: Yes
  • Sex: Female
  • Age: 9.00 Week
  • Weight: 1.361 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Form: Suspension
  • Dose: 0.50 mL per animal
Reactions Reported:
Lack of efficacy (ectoparasite) - flea
Outcomes: Ongoing

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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