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Fish Oil

Detailed information about Fish Oil

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)
  • Twitching (1 reports)
  • very low energy (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
  • Twitching
  • very low energy

Most reported reactions:

  • Vomiting (1 reports)
  • Twitching (1 reports)
  • Tiredness (lethargy) (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 9, 2026, 10:04 AM UTC
  • openFDA case summaries: Source FDA openFDA | Refreshed Feb 9, 2026, 3:22 AM UTC
Image coming soon
Fish Oil

Fish Oil

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
30
Reported cases
26
Serious reports
12
Species represented
2
Grouped by Body System
Digestive (3) · Vomiting, Diarrhea, Bloody diarrhoea Skin & allergy (2) · Twitching, Itching Neurologic (4) · Tiredness (lethargy), Seizure NOS, Head tremor Behavior (2) · Behavioral disorder (unspecified), Anxiety Effectiveness (4) · Partial lack of efficacy, Lack of efficacy - NOS, Lack of efficacy (bacteria) - Ehrlichia Other (15) · Weight loss, Skin ulcer, Skin lesion NOS
Most Reported Reactions
Reaction Body system Cases Species Serious cases
Digestive 1 Cat 1
Skin & allergy 1 Cat 1
Neurologic 1 Cat 1
Neurologic 1 Dog 1
Other 1 Cat 1
Other 1 Cat 1
Other 1 Cat 1
Other 1 Cat 1

Species coverage: Cat (20) Dog (10)

View detailed reaction table
Reaction Body system Species Seriousness Frequency Reports
Other Cat Non-serious - 1
Digestive Cat Serious - 1
Skin & allergy Cat Serious - 1
Neurologic Cat Serious - 1
Other Cat Non-serious - 1
Other Cat Non-serious - 1
Neurologic Dog Serious - 1
Other Cat Serious - 1
Effectiveness Cat Non-serious - 1
Other Cat Serious - 1
Other Cat Serious - 1
Other Cat Serious - 1
Other Dog Non-serious - 1
Other Cat Non-serious - 1
Effectiveness Cat Non-serious - 1
Effectiveness Dog Non-serious - 1
Effectiveness Dog Non-serious - 1
Other Cat Serious - 1
Skin & allergy Cat Non-serious - 1
Other Cat Serious - 1
Neurologic Dog Serious - 1
Neurologic Cat Serious - 1
Other Cat Non-serious - 1
Digestive Dog Non-serious - 1
Digestive Dog Non-serious - 1
Other Cat Non-serious - 1
Behavior Cat Unknown - -
Behavior Dog Unknown - -
Other Dog 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 9, 2026, 10:04 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 19 • 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
Vomiting (1) Twitching (1) Tiredness (lethargy) (1) Seizure NOS (1) Recumbency (1) Pancreatitis NOS (1) Not eating (1) Neutrophilia (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): Vomiting, Diarrhoea, Lethargy (see also Central nervous system depression in 'Neurological'), Lack of efficacy - NOS, Death b… (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) • Cat Diarrhea (1) • Dog Bloody diarrhoea (1) • Dog

Showing top 5 for Digestive.

Skin & allergy
Twitching (1) • Cat Itching (1) • Cat

Showing top 5 for Skin & allergy.

Neurologic
Tiredness (1) • Cat Seizure NOS (1) • Dog Head tremor (1) • Dog Grand mal seizure (1) • Cat

Showing top 5 for Neurologic.

Behavior
Behavioral disorder • Cat Anxiety • Dog

Showing top 5 for Behavior.

Effectiveness
Partial lack of efficacy (1) • Cat Lack of efficacy - NOS (1) • Cat Lack of efficacy (bacteria) - Ehrlichia (1) • Dog Lack of efficacy (bacteria) - Anaplasma (1) • Dog

Showing top 5 for Effectiveness.

Other
Weight loss (1) • Cat Skin ulcer (1) • Cat Skin lesion NOS (1) • Cat Recumbency (1) • Cat Pancreatitis NOS (1) • Cat
Show more (10)
Not eating (1) • Cat Neutrophilia (1) • Cat Neutropenia (1) • Dog Miliary dermatitis (1) • Cat Ketosis (1) • Cat Hypokalaemia (1) • Cat Excoriation (1) • Cat Application site greasy fur (1) • Cat Abnormal tail posture • Dog Abnormal radiograph finding • 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, 3.9 year, 32.47 kilogram • Drug: MSK, Unknown • Reactions: Lack of efficacy (bacteria) - Ehrlichia, Lack of efficacy (bacteria) - Anaplasma • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2025-US-052829
  • Serious AE: No
  • Treated For AE: Yes
  • Sex: Female
  • Age: 3.90 Year
  • Weight: 32.470 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Lack of efficacy (bacteria) - Ehrlichia Lack of efficacy (bacteria) - Anaplasma
Outcomes: Outcome Unknown

Dog, Terrier - American Staffordshire, Male, 12 year, 33.11 kilogram • Drug: MSK, Unknown • Reactions: Diarrhea, Bloody diarrhoea • Outcome: Recovered/Normal

  • Report ID: USA-USFDACVM-2025-US-053304
  • Serious AE: No
  • Treated For AE: Yes
  • Sex: Male
  • Age: 12.00 Year
  • Weight: 33.110 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Diarrhea Bloody diarrhoea
Outcomes: Recovered/Normal

Dog, ['Terrier - Bull - American Pit', 'Dog (unknown)'], Unknown, 6 year, 22.317 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Diarrhea • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-053692
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Unknown
  • Age: 6.00 Year
  • Weight: 22.317 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
  • Form: Unassigned
Reactions Reported:
Diarrhea
Outcomes: Ongoing

Dog, Retriever - Labrador, Male, 1.67 year, 32 kilogram • Drug: MSK, Unknown • Reactions: Neutropenia • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-052523
  • Serious AE: No
  • Treated For AE: No
  • Sex: Male
  • Age: 1.67 Year
  • Weight: 32.000 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Neutropenia
Outcomes: Ongoing

Dog, Crossbred Canine/dog, Female, 2 year, 18.14 kilogram • Drug: MSK, Unknown • Reactions: Seizure NOS, Head tremor • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2025-US-051650
  • Serious AE: Yes
  • Treated For AE: No
  • Sex: Female
  • Age: 2.00 Year
  • Weight: 18.140 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Seizure NOS Head tremor
Outcomes: Outcome Unknown

Cat, Cat (unknown), Male, 15 year, 4.5 kilogram • Drug: MSK, Unknown • Reactions: Skin lesion NOS, Excoriation, Itching, Miliary dermatitis, Lack of efficacy - NOS… • Outcome: Recovered/Normal

  • Report ID: USA-USFDACVM-2025-US-023783
  • Serious AE: No
  • Treated For AE: Yes
  • Sex: Male
  • Age: 15.00 Year
  • Weight: 4.500 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Skin lesion NOS Excoriation Itching Miliary dermatitis Lack of efficacy - NOS Weight loss Skin ulcer
Outcomes: Recovered/Normal

Cat, Himalayan, Male, 15 year, 3.32 kilogram • Drug: MSK, Unassigned, Oral • Reactions: Partial lack of efficacy • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-020801
  • Serious AE: No
  • Treated For AE: No
  • Sex: Male
  • Age: 15.00 Year
  • Weight: 3.320 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Form: Unassigned
Reactions Reported:
Partial lack of efficacy
Outcomes: Ongoing

Cat, Domestic Longhair, Female, 18 year, 3.765 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Twitching, Grand mal seizure, Tiredness (lethargy) • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-005411
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Female
  • Age: 18.00 Year
  • Weight: 3.765 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
  • Form: Unassigned
Reactions Reported:
Twitching Grand mal seizure Tiredness (lethargy)
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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