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Meds A-Z

Selegiline

Detailed information about Selegiline

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:

For the control of clinical signs associated with uncomplicated canine pituitary dependent hyperadrenocorticism (PDH).

What it does:

For the control of clinical signs associated with uncomplicated canine pituitary dependent hyperadrenocorticism (PDH). For the control of clinical signs associated with canine cognitive dysfunction syndrome (CDS)

When it's needed:

Federal law restricts this drug to use by or on the order of a licensed veterinarian. Anipryl should not be administered at doses exceeding those recommended (0.5-2.0 mg/kg once daily). Concurrent use of Anipryl with eph...

Call your vet sooner if you notice:

  • Federal law restricts this drug to use by or on the order of a licensed veterinarian. Anipryl should not be administered at doses exceeding those recommended (0.5-2.0 mg/kg once daily). Concurrent use of Anipryl with ephedrine or potential MAO inhibitors, such as amitraz, is not recommended.

Commonly reported reactions:

  • (1 reports)
  • (1 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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Selegiline

Selegiline

Drug type: Generic ingredient • Branded profile FDA branded products available

Species: Both

Manufacturer: MSK

Quick Facts

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

Species: Both
Manufacturer: MSK
Form: Tablet
Identifiers:
NADA: 141080 NDC Package: 54771-8192-1 NDC Package: 54771-8193-1 NDC Package: 54771-8194-1 NDC Package: 54771-8195-1 NDC Package: 73377-012-01 NDC Package: 73377-012-02 NDC Product: 54771 NDC Product: 73377
Source metadata:

Warnings / Contraindications

Federal law restricts this drug to use by or on the order of a licensed veterinarian. Anipryl should not be administered at doses exceeding those recommended (0.5-2.0 mg/kg once daily). Concurrent use of Anipryl with ephedrine or potential MAO inhibitors, such as amitraz, is not recommended.

  • High: Federal law restricts this drug to use by or on the order of a licensed veterinarian. Anipryl should not be administered at doses exceeding those recommended (0.5-2.0 mg/kg once daily). Concurrent use of Anipryl with ephedrine or potential MAO inhibitors, such as amitraz, is not recommended.
Source metadata:

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
30
Species represented
1
Most Reported Reactions
Reaction Cases Species Serious cases
1 Dog 1
1 Dog 1
1 Dog 1
1 Dog 1
1 Dog 1
1 Dog 1
1 Dog 1
1 Dog 1

Species coverage: Dog (32)

View detailed reaction table
Reaction Species Seriousness Frequency Reports
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Non-serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Non-serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog Serious - 1
Dog 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.

Official documents: 3 • Secondary summaries: 0

Official label facts
Secondary summaries

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 Drugs @ FDA: Source FDA | Refreshed Feb 16, 2026, 11:00 AM UTC
    Applications/products are imported from FDA export data.
  • Animal Drugs @ FDA previews: Source FDA | Refreshed Feb 9, 2026, 3:05 AM UTC
    Label highlights/doc links are fetched from FDA preview endpoints.
  • 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, 11:02 AM UTC
  • openFDA case summaries: Source FDA openFDA | Refreshed Feb 9, 2026, 3:20 AM UTC
Official (FDA)
Identity: Generic ingredient • FDA branded products available
Official FDA brands: Anipryl®
Case-reported brands (openFDA): MSK
Catalog species: Both FDA-labeled species: Dog
Rx/OTC: OTC
Form/route: Tablet Oral
Applications: NADA 141-080
Documents: 2 (FOI: 2) • SPL: 1 Label highlights Official documents
Safety (openFDA)
Top reactions: Dog 26 Cat 0 View
Case summaries: 5 (showing 5) View
openFDA reports are unverified and do not prove causation.

Explore
Linked using: Fda_Label (0.95), Fda_Label (0.95), Fda_Label (0.95)

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.

Owner-facing counseling points
  • Federal law restricts this drug to use by or on the order of a licensed veterinarian. Anipryl should not be administered at doses exceeding those recommended (0.5-2.0 mg/kg once daily). Concurrent use of Anipryl with ephedrine or potential MAO inhibitors, such as amitraz, is not recommended. (Contraindication, High)
Top reaction signals
Abnormal movement NOS (1) Abnormal tail posture (1) Anxiety (1) Ataxia (1) Behavioural disorder NOS (1) Brain tumour (1) Cervical pain (1) Cognitive disorder NOS (1) Cognitive impairment (1) Collapse NOS (see also Cardio-vascular and Neurological disorders) (1) Death by euthanasia (1) Distress (1) Elevated alanine aminotransferase (ALT) (1) Elevated cholesterol (total) (1) Elevated serum alkaline phosphatase (ALP) (1) Fever (1)

Identifiers & Packages

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

Identifiers
NADA: 141080 NDC Package: 54771-8192-1 NDC Package: 54771-8193-1 NDC Package: 54771-8194-1 NDC Package: 54771-8195-1 NDC Package: 73377-012-01 NDC Package: 73377-012-02 NDC Product: 54771 NDC Product: 73377
Package NDC Product NDC Form / Route Status
54771-8192-1 54771 -
54771-8193-1 54771 -
54771-8194-1 54771 -
54771-8195-1 54771 -
73377-012-01 73377 -
73377-012-02 73377 -

Enriched Documents

Documents are tiered by source trust: Official, Clinical, Manufacturer, Marketing.

  • N141080_Original_5_30_1997.pdf • FOI summary • Official • Dec. 13, 2017
    FDA FOI summary for application 141080
  • ucm117013.pdf • FOI summary • Official • Dec. 13, 2017
    FDA FOI summary for application 141080

Data Sources & Revision History

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

Official 5 Clinical 0 Manufacturer 0 Marketing 0
Current Field Facts
  • contraindications: Federal law restricts this drug to use by or on the order of a licensed veterinarian. Anipryl should not be administered at doses exceeding those recommended (… (Official, 2026-02-12)
  • side_effects: Top reported reactions (openFDA): Death by euthanasia, Seizure NOS, Vomiting, Elevated alanine aminotransferase (ALT), Not eating, Inappropriate urination. (Official, 2026-02-12)
  • usage: For the control of clinical signs associated with uncomplicated canine pituitary dependent hyperadrenocorticism (PDH). For the control of clinical signs associ… (Official, 2026-02-12)
Recent Revisions
  • side_effects updated 2026-02-12 22:44 by etl_backfill • Backfilled from existing medication fields
  • contraindications updated 2026-02-12 22:44 by etl_backfill • Backfilled from existing medication fields
  • usage updated 2026-02-12 22:44 by etl_backfill • Backfilled from existing medication fields

FDA Products & Applications (Animal Drugs @ FDA)

Official sponsor/proprietary-name/application-status records linked by active ingredient.

Product Sponsor Application Status Published
Anipryl®
OTC
Selegiline Hydrochloride
Tablet Oral
Zoetis Inc. NADA 141-080 Approved Dec 13, 2017

Data source: FDA Animal Drugs @ FDA (public search export).

What It's For (FDA Label Highlights)

Extracted from FDA Animal Drugs @ FDA product labeling. Always confirm details with your veterinarian.

Species: Dog, No Use Class Stated Or Implied
Composition / specifications
Each tablet contains either 2, 5, 10, 15, or 30 milligrams of selegiline hydrochloride.
Dogs
Indication
For the control of clinical signs associated with uncomplicated canine pituitary dependent hyperadrenocorticism (PDH).
Dosage
1.0 mg/kg once daily, preferably administered in the morning. If no improvement is observed after 2 months of therapy, dosage may be increased to a maximum of 2.0 mg/kg once daily. If no improvement is seen after 1 month at the higher dose or if at any time clinical signs progress, the dog should be re-evaluated.
Limitations
Federal law restricts this drug to use by or on the order of a licensed veterinarian. Anipryl should not be administered at doses exceeding those recommended (0.5-2.0 mg/kg once daily). Concurrent use of Anipryl with ephedrine or potential MAO inhibitors, such as amitraz, is not recommended.
Indication
For the control of clinical signs associated with canine cognitive dysfunction syndrome (CDS)
Dosage
0.5–1.0 mg/kg once daily, preferably administered in the morning. Initially, dogs should be dosed to the nearest whole tablet. Adjustments should then be made based on response and tolerance to the drug.
Limitations
Federal law restricts this drug to use by or on the order of a licensed veterinarian. Anipryl should not be administered at doses exceeding those recommended (0.5-2.0 mg/kg once daily). Concurrent use of Anipryl with ephedrine or potential MAO inhibitors, such as amitraz, is not recommended.

FDA page: Open in Animal Drugs @ FDA

Official Documents (FDA)

Direct links to FDA-hosted PDFs and SPL packages (when available).

Documents
  • Summary
    Provides for the addition of a new claim for the clinical signs associated with canine Cognitive Dysfunction Syndrome at a new dose of 0.5-1.0mg/kg.
  • Summary

    For the control of clinical signs associated with uncomplicated canine pituitary dependent hyperadrenocorticism (PDH).

SPL Packages

FDA page: Open in Animal Drugs @ FDA

Usage

For the control of clinical signs associated with uncomplicated canine pituitary dependent hyperadrenocorticism (PDH). For the control of clinical signs associated with canine cognitive dysfunction syndrome (CDS)

Source: FDA Animal Drugs @ FDA • Reference

Contraindications

Federal law restricts this drug to use by or on the order of a licensed veterinarian. Anipryl should not be administered at doses exceeding those recommended (0.5-2.0 mg/kg once daily). Concurrent use of Anipryl with ephedrine or potential MAO inhibitors, such as amitraz, is not recommended.

Side Effects

No approved side-effect narrative is linked yet.

openFDA reaction signals are available for Dog 26 and Cat 0 (view top reported reactions).

Top Reported Reactions (openFDA)

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

Dog
Digestive
Vomiting (7) Diarrhea (3)
Neurologic
Seizure NOS (8)
Other
Death by euthanasia (9) Elevated alanine aminotransferase (6) Not eating (5) Inappropriate urination (4) Cognitive disorder NOS (3) Distress (1) Distress (1) Distress (1) Distress (1) Distress (1) Distress (1) Hyperactivity (1) Hyperactivity (1) Hyperactivity (1) Hyperactivity (1) Hyperactivity (1) Hyperactivity (1) Vocalisation (1) Vocalisation (1) Vocalisation (1) Vocalisation (1) Vocalisation (1) Vocalisation (1)

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, Bichon Frise, Female, 18.75 year, 3.629 kilogram • Drug: MSK, Oral • Reactions: Hyperactivity, Distress, Vocalisation • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2025-US-054128
  • Serious AE: No
  • Treated For AE: No
  • Sex: Female
  • Age: 18.75 Year
  • Weight: 3.629 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Oral
Reactions Reported:
Hyperactivity Distress Vocalisation
Outcomes: Outcome Unknown

Dog, Brittany, Male, 13 year, 17.236 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Focal seizure, Staring, Hyperextension, Behavioral disorder (unspecified), Unsteady walking (ataxia)… • Outcome: Euthanized

  • Report ID: USA-USFDACVM-2025-US-037533
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 13.00 Year
  • Weight: 17.236 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
  • Form: Unassigned
Reactions Reported:
Focal seizure Staring Hyperextension Behavioral disorder (unspecified) Unsteady walking (ataxia) Seizure NOS Vocalisation Inappropriate defecation Brain tumour Urinary tract infection Cognitive impairment Inappropriate urination Intervertebral disc disease Pacing Abnormal tail posture Abnormal movement NOS Hair modification NOS Collapse NOS Hind limb paresis Death by euthanasia Fever Anxiety Hypotension Vomiting Proprioception deficit Tremors Stridor Elevated alanine aminotransferase Elevated serum alkaline phosphatase Medication error NOS Head tilt - neurological disorder Limb non-weight bearing Cervical pain Unable to walk Overdose
Outcomes: Euthanized

Dog, Terrier - Bull - Staffordshire, Female, 13 year, 24.948 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Partial lack of efficacy, Cognitive disorder NOS, Elevated serum alkaline phosphatase, Elevated alanine aminotransferase, Elevated cholesterol… • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-026646
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Female
  • Age: 13.00 Year
  • Weight: 24.948 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
  • Form: Unassigned
Reactions Reported:
Partial lack of efficacy Cognitive disorder NOS Elevated serum alkaline phosphatase Elevated alanine aminotransferase Elevated cholesterol Thrombocytosis Knuckling Musculoskeletal disorder NOS Medication error NOS
Outcomes: Ongoing

Dog, Crossbred Canine/dog, Male, 15 year, 10.886 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Grand mal seizure, Head tremor, Hypoglycaemia, Mental function decreased • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-019063
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 15.00 Year
  • Weight: 10.886 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
  • Form: Unassigned
Reactions Reported:
Grand mal seizure Head tremor Hypoglycaemia Mental function decreased
Outcomes: Ongoing

Dog, Crossbred Canine/dog, Male, 15 year, 10.886 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Grand mal seizure, Head tremor, Hypoglycaemia, Mental function decreased • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-003361
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 15.00 Year
  • Weight: 10.886 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
  • Form: Unassigned
Reactions Reported:
Grand mal seizure Head tremor Hypoglycaemia Mental function decreased
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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