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Meds A-Z

Hydromorphone

Detailed information about Hydromorphone

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)
  • (2 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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Hydromorphone

Hydromorphone

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:

No source yet.

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
28
Species represented
2
Most Reported Reactions
Reaction Cases Species Serious cases
2 Cat, Dog 2
2 Cat, Dog 1
2 Cat, Dog 1
1 Dog 1
1 Cat 1
1 Cat 1
1 Dog 1
1 Cat 1

Species coverage: Cat (21) Dog (11)

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

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, 11:05 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 56 Cat 56 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 menace reflex test (1) Adipsia (1) Agitation (1) Agonal breathing (1) Anorexia (1) Ataxia (1) Behavioural disorder NOS (1) Biting -aggression (see also Skin and appendages disorders) (1) Bradycardia (1) Brain disorder NOS (1) Cardiomyopathy (1) Constipation (1) Crying (1) Death (1) Death (1) Decreased appetite (1)

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, Death, Injection site swelling, Not eating, Lack of efficacy - NOS, Tachycardia. (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 56 (view top reported reactions).

Top Reported Reactions (openFDA)

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

Dog
Digestive
Vomiting (77) Decreased appetite (37) Decreased appetite (1) Decreased appetite (1) Decreased appetite (1) Decreased appetite (1)
Skin & allergy
Injection site swelling (48) Facial swelling (possible allergy) (1) Facial swelling (possible allergy) (1)
Neurologic
Tiredness (lethargy) (37)
Behavior
Biting -aggression (1) Biting -aggression (1) Biting -aggression (1) Biting -aggression (1)
Effectiveness
Lack of efficacy - NOS (44)
Other
Death (50) Not eating (46) Tachycardia (39) Death (2) Death (2) Death (2) Death (2) Death (2) Bradycardia (1) Bradycardia (1) Bradycardia (1) Bradycardia (1) Bradycardia (1) Bradycardia (1) Death (1) Decreased drinking (1) Decreased drinking (1) Decreased drinking (1) Decreased drinking (1) Decreased haematocrit (1) Decreased haematocrit (1) Decreased haematocrit (1) Decreased haematocrit (1) Decreased haematocrit (1) Decreased haematocrit (1) Dehiscence (1) Dehiscence (1) Dehiscence (1) Dehiscence (1) Dehiscence (1) Dehiscence (1) Dehydration (1) Dehydration (1) Dehydration (1) Dehydration (1) Haematemesis (1) Haematemesis (1) Hypersensitivity reaction (1) Hypersensitivity reaction (1) INEFFECTIVE, ANESTHESIA (1) INEFFECTIVE, ANESTHESIA (1)
Cat
Neurologic
Unsteady walking (ataxia) (13) Head tilt - neurological disorder (1) Head tilt - neurological disorder (1) Head tilt - neurological disorder (1) Head tilt - neurological disorder (1) Head tilt - neurological disorder (1) Head tilt - neurological disorder (1) Unsteady walking (ataxia) (1) Unsteady walking (ataxia) (1) Unsteady walking (ataxia) (1) Unsteady walking (ataxia) (1) Unsteady walking (ataxia) (1) Unsteady walking (ataxia) (1)
Behavior
Behavioral disorder (unspecified) (23)
Other
Hyperthermia (28) Dysphoria (24) Not eating (21) Hyperactivity (14) Hypotension (13) Not sleeping (12) Constipation (1) Constipation (1) Constipation (1) Constipation (1) Constipation (1) Constipation (1) Dysphoria (1) Dysphoria (1) Dysphoria (1) Dysphoria (1) Dysphoria (1) Dysphoria (1) Excessive chewing, licking and/or grooming (1) Excessive chewing, licking and/or grooming (1) Excessive chewing, licking and/or grooming (1) Excessive chewing, licking and/or grooming (1) Excessive chewing, licking and/or grooming (1) Excessive chewing, licking and/or grooming (1) Head bobbing (1) Head bobbing (1) Head bobbing (1) Head bobbing (1) Head bobbing (1) Head bobbing (1) Hiding (1) Hiding (1) Hiding (1) Hiding (1) Hiding (1) Hiding (1) Lying down (1) Lying down (1) Lying down (1) Lying down (1) Lying down (1) Lying down (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, Crossbred Canine/dog, Male, 5 month, 10.433 kilogram • Drug: MSK, Unknown • Reactions: Facial swelling (possible allergy), Swollen eyelid, Hypersensitivity reaction • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-052734
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 5.00 Month
  • Weight: 10.433 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Facial swelling (possible allergy) Swollen eyelid Hypersensitivity reaction
Outcomes: Ongoing

Dog, Mixed (Dog), Mixed, 5 year, 3.8 kilogram • Drug: MSK, Intravenous, Dose: 0.05 Milligram per kilogram • Reactions: INEFFECTIVE, ANESTHESIA • Outcome: Recovered/Normal

  • Report ID: KOR-USFDACVM-2025-KR-000003
  • Serious AE: Yes
  • Treated For AE: No
  • Sex: Mixed
  • Age: 5.00 Year
  • Weight: 3.800 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Intravenous
  • Dose: 0.05 Milligram per kilogram
Reactions Reported:
INEFFECTIVE, ANESTHESIA
Outcomes: Recovered/Normal

Dog, Dog (other), Male, 8 year, 7.711 kilogram • Drug: MSK, Unknown, Frequency: 1 per day • Reactions: Overdose, Tarry or black stool, Oral bleeding, Haematemesis, Dehiscence… • Outcome: Died

  • Report ID: USA-USFDACVM-2025-US-052403
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 8.00 Year
  • Weight: 7.711 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
  • Frequency: 1 per day
Reactions Reported:
Overdose Tarry or black stool Oral bleeding Haematemesis Dehiscence Death Bradycardia Decreased haematocrit
Outcomes: Died

Cat, Maine Coon, Male, 3 year, 5.44 kilogram • Drug: MSK, Unknown • Reactions: Unable to walk, Dysphoria, Head bobbing, Excessive chewing, licking and/or grooming, Not eating… • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-050195
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 3.00 Year
  • Weight: 5.440 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Unable to walk Dysphoria Head bobbing Excessive chewing, licking and/or grooming Not eating Rolling Lying down Not drinking Hiding Unsteady walking (ataxia) Constipation Vestibular disorder NOS Head tilt - neurological disorder Not himself/herself
Outcomes: Ongoing

Dog, Bulldog - English, Female, 7 month, 16.148 kilogram • Drug: MSK, Injection, solution, Intramuscular • Reactions: Death, Pale mucous membrane, Respiratory arrest • Outcome: Died

  • Report ID: USA-USFDACVM-2025-US-050328
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Female
  • Age: 7.00 Month
  • Weight: 16.148 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Intramuscular
  • Form: Injection, solution
Reactions Reported:
Death Pale mucous membrane Respiratory arrest
Outcomes: Died

Dog, Terrier - Yorkshire, Male, 1 year, 4.536 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Tiredness (lethargy), Trembling, Decreased appetite, Not drinking, Biting -aggression… • Outcome: Ongoing

  • Report ID: USA-USFDACVM-2025-US-048901
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 1.00 Year
  • Weight: 4.536 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
  • Form: Unassigned
Reactions Reported:
Tiredness (lethargy) Trembling Decreased appetite Not drinking Biting -aggression Fever Dehydration Shaking Not himself/herself Decreased drinking
Outcomes: Ongoing

Cat, Domestic Shorthair, Male, 15.83 year, 5.49 kilogram • Drug: MSK, Unknown • Reactions: Pyelonephritis, Tiredness (lethargy), Grand mal seizure, Proteinuria, Dysphoria… • Outcome: Outcome Unknown

  • Report ID: USA-USFDACVM-2025-US-043133
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 15.83 Year
  • Weight: 5.490 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Pyelonephritis Tiredness (lethargy) Grand mal seizure Proteinuria Dysphoria Weakness Not eating Behavioral disorder (unspecified) Hypothermia Obtunded Hypotension Hypovolaemic shock
Outcomes: Outcome Unknown

Cat, Domestic Longhair, Male, 10 year, 6.66 kilogram • Drug: MSK, Unknown • Reactions: Adipsia, Lateral recumbency, Urinary tract obstruction/blockage, Death, Inappropriate urination… • Outcome: Died

  • Report ID: USA-USFDACVM-2025-US-035176
  • Serious AE: Yes
  • Treated For AE: Yes
  • Sex: Male
  • Age: 10.00 Year
  • Weight: 6.660 Kilogram
  • Case-reported brand: MSK
  • Case-reported manufacturer: MSK
  • Route: Unknown
Reactions Reported:
Adipsia Lateral recumbency Urinary tract obstruction/blockage Death Inappropriate urination Tiredness (lethargy) Loss of appetite Behavioral disorder (unspecified) Glazed eye Hyperglycaemia Elevated renal parameters Hyperexcitation
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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