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Meds A-Z

Trazodone

Detailed information about Trazodone

Official label facts Owner quick guide first Marketing clearly labeled
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Pet Owner Quick Guide

Start here: what this medicine is for, what it does, and when it's usually needed.

Usually used for:

Use this medication only when your veterinarian confirms it matches your pet's condition.

What it does:

Use this medication only when your veterinarian confirms it matches your pet's condition.

When it's needed:

Use this medication only when your veterinarian confirms it matches your pet's condition.

Commonly reported reactions:

  • (2 reports)
  • (2 reports)
  • (1 reports)

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?
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Trazodone

Trazodone

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

Species: Both

Manufacturer: MSK

Quick Facts

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

Species: Both
Manufacturer: MSK
Form: No source yet
Identifiers:
NDC Package: 73309-317-01 NDC Package: 73309-317-02 NDC Package: 73377-170-01 NDC Package: 73377-170-02 NDC Product: 73309 NDC Product: 73377
Source metadata: No source yet.

Warnings / Contraindications

No contraindication summary is linked yet.

No owner-focused warning rows are linked yet.

Source metadata: No source yet.

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
32
Reported cases
32
Serious reports
13
Species represented
2
Most Reported Reactions
Reaction Cases Species Serious cases
2 Cat, Dog 1
2 Cat, Dog 1
1 Cat 1
1 Dog 1
1 Dog 1
1 Dog 1
1 Dog 1
1 Dog 1

Species coverage: Cat (17) Dog (15)

View detailed reaction table
Reaction Species Seriousness Frequency Reports
Cat Serious - 1
Cat Non-serious - 1
Dog Serious - 1
Cat Non-serious - 1
Dog Non-serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Cat Non-serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Cat Non-serious - 1
Cat Non-serious - 1
Dog Non-serious - 1
Dog Serious - 1
Cat Non-serious - 1
Cat Non-serious - 1
Dog Serious - 1
Cat Non-serious - 1
Dog Serious - 1
Cat Serious - 1
Dog Non-serious - 1
Cat Non-serious - 1
Cat Non-serious - 1
Dog Non-serious - 1
Cat Non-serious - 1
Cat Non-serious - 1
Dog Non-serious - 1
Cat Non-serious - 1
Cat Non-serious - 1
Cat Serious - 1
Source metadata:

Storage & Handling

No storage/handling guidance is linked yet.

Source metadata: No source yet.

Documents

Official label facts are separated from secondary summaries.

No linked label PDFs or safety notices yet.

Official label facts

No source yet.

Secondary summaries

No source yet.

Source metadata: No source yet.

Promotional Materials (Marketing)

This content is marketing material and not clinical guidance.

No marketing assets are linked yet.

No source yet.

Source metadata: No source yet.
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Technical appendix (vet reference)

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 PetWisePlus | Refreshed Feb 12, 2026, 10:44 PM UTC
  • Animal Drug Product Listing Directory (NDC): Source FDA | Refreshed Feb 16, 2026, 11:00 AM UTC
    Package/product NDCs from FDA’s electronic listing directory (XLS).
  • openFDA reaction terms: Source FDA openFDA | Refreshed Feb 16, 2026, 11:04 AM UTC
  • openFDA case summaries: Source FDA openFDA | Refreshed Feb 9, 2026, 3:21 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 56 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
Abnormal radiograph finding (1) Aspiration pneumonia (1) Asystole (1) Ataxia (1) Behavioural disorder NOS (1) Cardiorespiratory arrest (1) Cellulitis (1) Coma (1) Constricted pupils (1) Convulsion (1) Cyanotic mucous membranes (1) Death (1) Death (1) Delayed healing (1) Diarrhoea (1) Dilated pupils (1)

Identifiers & Packages

Normalized identifiers (NDC/NADA/ANADA) and package metadata from regulator listings.

Identifiers
NDC Package: 73309-317-01 NDC Package: 73309-317-02 NDC Package: 73377-170-01 NDC Package: 73377-170-02 NDC Product: 73309 NDC Product: 73377
Package NDC Product NDC Form / Route Status
73309-317-01 73309 -
73309-317-02 73309 -
73377-170-01 73377 -
73377-170-02 73377 -

Data Sources & Revision History

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), Decreased appetite, Death by euth… (Official, 2026-02-12)
Recent Revisions
  • side_effects updated 2026-02-12 22:44 by etl_backfill • Backfilled from existing medication fields

FDA Products & Applications (Animal Drugs @ FDA)

No linked FDA product applications are available for this ingredient yet.

Usage

No approved usage text is linked yet for this ingredient.

  • Catalog species: Both
  • Safety reports available: 10 openFDA case summaries (view)

Contraindications

No approved contraindication text is linked yet. Review FDA label highlights and openFDA safety reports before making treatment decisions.

Side Effects

No approved side-effect narrative is linked yet.

openFDA reaction signals are available for Dog 56 and Cat 8 (view top reported reactions).

Top Reported Reactions (openFDA)

Aggregated reaction terms from FDA openFDA reports (not verified; does not prove causation).

Dog
Digestive
Vomiting (251) Diarrhea (156) Decreased appetite (90) Diarrhea (5) Diarrhea (5) Diarrhea (5) Diarrhea (5) Diarrhea (5) Diarrhea (5)
Neurologic
Tiredness (lethargy) (112) Seizure NOS (81) Tiredness (lethargy) (81) Tiredness (lethargy) (5) Tiredness (lethargy) (5) Tiredness (lethargy) (5) Tiredness (lethargy) (5) Tiredness (lethargy) (5) Tiredness (lethargy) (5) Tremors (4) Tremors (4) Tremors (4) Tremors (4) Tremors (4) Tremors (4)
Behavior
Behavioral disorder (unspecified) (6) Behavioral disorder (unspecified) (6) Behavioral disorder (unspecified) (6) Behavioral disorder (unspecified) (6) Behavioral disorder (unspecified) (6) Behavioral disorder (unspecified) (6)
Other
Death by euthanasia (89) Not eating (84) Walking difficulty (5) Walking difficulty (5) Walking difficulty (5) Walking difficulty (5) Walking difficulty (5) Walking difficulty (5) Elevated total bilirubin (4) Elevated total bilirubin (4) Elevated total bilirubin (4) Elevated total bilirubin (4) Elevated total bilirubin (4) Elevated total bilirubin (4) Not eating (4) Not eating (4) Not eating (4) Not eating (4) Not eating (4) Not eating (4) Pacing (4) Pacing (4) Pacing (4) Pacing (4) Pacing (4) Pacing (4)
Cat
Digestive
Vomiting (3) Diarrhea (2)
Neurologic
Unsteady walking (ataxia) (3) Head tilt - neurological disorder (2) Tiredness (lethargy) (2)
Other
Constricted pupils (3) Delayed healing (2) Falling (2)

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', 'Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog)'], Male, 4 year, 33.11 kilogram • Drug: MSK, Unknown • Reactions: Pacing, Hypersensitivity NOS, Hyperexcitation, Uncomfortable, Behavioral disorder (unspecified) • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-055403
  • Serious AE: No
  • Treated For AE: Yes
  • Sex: Male
  • Age: 4.00 Year
  • Weight: 33.110 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Pacing Hypersensitivity NOS Hyperexcitation Uncomfortable Behavioral disorder (unspecified)
Outcomes: Ongoing

Dog, ['Weimaraner', 'Retriever - Labrador'], Male, 14 year, 26.3 kilogram • Drug: MSK, Unknown • Reactions: Gait abnormality, Walking difficulty, Unsteady gait, Product label issues • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-054553
  • Serious AE: No
  • Treated For AE: No
  • Sex: Male
  • Age: 14.00 Year
  • Weight: 26.300 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Gait abnormality Walking difficulty Unsteady gait Product label issues
Outcomes: Ongoing

Dog, Boxer (German Boxer), Female, 2.3 year, 28.7 kilogram • Drug: MSK, Tablet, Oral, Dose: 50 Milligram per dose, Frequency: 1 per day • Reactions: Death, Injection site discharge NOS, Swollen limb, Pain NOS, Not eating… • Outcome: Died

  • Report ID: USA-USFDACVM-2025-US-055852
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Female
  • Age: 2.30 Year
  • Weight: 28.700 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
  • Form: Tablet
  • Dose: 50 Milligram per dose
  • Frequency: 1 per day
Reactions Reported:
Death Injection site discharge NOS Swollen limb Pain NOS Not eating Not drinking Uncomfortable Elevated temperature Increased heart rate Increased respiratory rate Pitting oedema Injection site skin discolouration Injection site serosanguinous discharge Injection site reaction NOS Wound Cellulitis Local skin slough Convulsion Cardiorespiratory arrest Panting Fixed pupil Dilated pupils Cyanotic mucous membranes Coma Neurological signs NOS Premature ventricular contractions Ventricular fibrillation Asystole
Outcomes: Died

Dog, Shepherd Dog - German, Female, 1.5 year, 27.2 kilogram • Drug: MSK, Unknown • Reactions: Diarrhea, Lack of efficacy (protozoa) - Coccidia, Lack of efficacy (endoparasite) - whipworm • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2025-US-055405
  • Serious AE: No
  • Treated For AE: Yes
  • Sex: Female
  • Age: 1.50 Year
  • Weight: 27.200 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Diarrhea Lack of efficacy (protozoa) - Coccidia Lack of efficacy (endoparasite) - whipworm
Outcomes: Outcome Unknown

Dog, Alaskan Malamute, Female, 3 year, 43.36 kilogram • Drug: MSK, Unknown • Reactions: Lack of efficacy (endoparasite) - hookworm • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2025-US-055983
  • Serious AE: No
  • Treated For AE: Yes
  • Sex: Female
  • Age: 3.00 Year
  • Weight: 43.360 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Lack of efficacy (endoparasite) - hookworm
Outcomes: Outcome Unknown

Cat, Male, 8 year, 4.445 kilogram • Drug: MSK, Solution/drops, Unknown • Reactions: Head tilt - neurological disorder, Unsteady walking (ataxia), Constricted pupils, Delayed healing • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-028279
  • Serious AE: No
  • Treated For AE: Yes
  • Sex: Male
  • Age: 8.00 Year
  • Weight: 4.445 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
  • Form: Solution/drops
Reactions Reported:
Head tilt - neurological disorder Unsteady walking (ataxia) Constricted pupils Delayed healing
Outcomes: Ongoing

Cat, Domestic Shorthair, Male, 8 year, 4.445 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Head tilt - neurological disorder, Unsteady walking (ataxia), Constricted pupils, Delayed healing • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-012604
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 8.00 Year
  • Weight: 4.445 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
  • Form: Unassigned
Reactions Reported:
Head tilt - neurological disorder Unsteady walking (ataxia) Constricted pupils Delayed healing
Outcomes: Ongoing

Cat, Domestic Shorthair, Male, 4 year, 4.082 kilogram • Drug: MSK • Reactions: Death, Aspiration pneumonia, Not urinating, Hyperalbuminaemia, Elevated blood urea nitrogen… • Outcome: Died

  • Report ID: USA-USFDACVM-2025-US-013223
  • Serious AE: No
  • Treated For AE: No
  • Sex: Male
  • Age: 4.00 Year
  • Weight: 4.082 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
Reactions Reported:
Death Aspiration pneumonia Not urinating Hyperalbuminaemia Elevated blood urea nitrogen Elevated creatine-kinase Hypochloraemia Hyperphosphataemia Hyperkalaemia Hyponatremia Eosinopenia Low sodium-potassium ratio Low serum alkaline phosphatase Vomiting Increased drinking
Outcomes: Died

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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