Meds A-Z
Levetiracetam
Detailed information about Levetiracetam
Pet Owner Quick Guide
Start here: what this medicine is for, what it does, and when it's usually needed.
Usually used for:
Anti-seizure medication used as monotherapy or adjunct therapy.
What it does:
Anti-seizure medication used as monotherapy or adjunct therapy.
When it's needed:
Dose adjustments may be needed in kidney disease.
Call your vet sooner if you notice:
- Dose adjustments may be needed in kidney disease.
Commonly reported reactions:
- (2 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?
Levetiracetam
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.
Warnings / Contraindications
Dose adjustments may be needed in kidney disease.
- High: Dose adjustments may be needed in kidney disease.
- https://animaldrugsatfda.fda.gov · safety_warning · Medication contraindications
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.
Most Reported Reactions
| Reaction | Cases | Species | Serious cases |
|---|---|---|---|
| 2 | Cat, Dog | 2 | |
| 1 | Cat | 1 | |
| 1 | Cat | 1 | |
| 1 | Dog | 1 | |
| 1 | Dog | 1 | |
| 1 | Dog | 1 | |
| 1 | Dog | 1 | |
| 1 | Cat | 1 |
Species coverage: Cat (19) Dog (13)
View detailed reaction table
| Reaction | Species | Seriousness | Frequency | Reports |
|---|---|---|---|---|
| Dog | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Dog | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Dog | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Dog | 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 | |
| Cat | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Dog | Serious | - | 1 | |
| Dog | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Dog | Serious | - | 1 | |
| Dog | Serious | - | 1 | |
| Dog | Serious | - | 1 | |
| Dog | Serious | - | 1 | |
| Cat | Serious | - | 1 | |
| Cat | Serious | - | 1 |
- https://api.fda.gov/animalandveterinary/event.json · adverse_reaction · openFDA case USA-USFDACVM-2025-US-054141
Storage & Handling
Store at room temperature.
Documents
Official label facts are separated from secondary summaries.
No linked label PDFs or safety notices yet.
No source yet.
No source yet.
Promotional Materials (Marketing)
This content is marketing material and not clinical guidance.
No marketing assets are linked yet.
No source yet.
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.
- Medication catalog: Source PetWisePlus | Refreshed Feb 12, 2026, 7:40 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, 11:02 AM UTC
- openFDA case summaries: Source FDA openFDA | Refreshed Feb 9, 2026, 3:19 AM UTC
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.
- Dose adjustments may be needed in kidney disease. (Contraindication, High)
Identifiers & Packages
Normalized identifiers (NDC/NADA/ANADA) and package metadata from regulator listings.
| Package NDC | Product NDC | Form / Route | Status |
|---|---|---|---|
| 62157-130-01 | 62157 | - | |
| 62157-400-01 | 62157 | - | |
| 62157-697-01 | 62157 | - | |
| 73377-029-01 | 73377 | - | |
| 73377-029-02 | 73377 | - | |
| 73377-029-03 | 73377 | - | |
| 73377-029-04 | 73377 | - |
Data Sources & Revision History
Every non-trivial field is expected to include provenance and update timestamps.
- contraindications: Dose adjustments may be needed in kidney disease. (Clinical, 2026-02-12)
- storage_handling: Store at room temperature. (Clinical, 2026-02-12)
- usage: Anti-seizure medication used as monotherapy or adjunct therapy. (Clinical, 2026-02-12)
- side_effects: Sedation, ataxia; generally well tolerated. (Official, 2026-02-12)
- side_effects updated 2026-02-12 19:40 by etl_backfill • Backfilled from existing medication fields
- contraindications updated 2026-02-12 19:40 by etl_backfill • Backfilled from existing medication fields
- usage updated 2026-02-12 19:40 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
Anti-seizure medication used as monotherapy or adjunct therapy.
Contraindications
Dose adjustments may be needed in kidney disease.
Side Effects
Sedation, ataxia; generally well tolerated.
Source: FDA openFDA • Reference
Top Reported Reactions (openFDA)
Aggregated reaction terms from FDA openFDA reports (not verified; does not prove causation).
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, ['Pit Bull', 'Dog (unknown)'], Male, 4.33 year, 26.31 kilogram • Drug: MSK, Unknown, Dose: 750 Milligram per animal, Frequency: 12 per hour • Reactions: Seizure NOS, Flaking skin, Allergy NOS • Outcome: Ongoing
- Report ID: USA-USFDACVM-2025-US-053013
- Serious AE: Yes
- Treated For AE: Yes
- Sex: Male
- Age: 4.33 Year
- Weight: 26.310 Kilogram
- Case-reported brand: MSK
- Case-reported manufacturer: MSK
- Route: Unknown
- Dose: 750 Milligram per animal
- Frequency: 12 per hour
Dog, Terrier - Yorkshire, Female, 4 year, 4.173 kilogram • Drug: MSK, Solution/drops, Unknown • Reactions: Seizure NOS, Falling, Shaking • Outcome: Recovered/Normal
- Report ID: USA-USFDACVM-2025-US-053323
- Serious AE: Yes
- Treated For AE: No
- Sex: Female
- Age: 4.00 Year
- Weight: 4.173 Kilogram
- Case-reported brand: MSK
- Case-reported manufacturer: MSK
- Route: Unknown
- Form: Solution/drops
Dog, ['Terrier (unspecified)', 'Crossbred Canine/dog'], Male, 9 year, 5.443 kilogram • Drug: MSK, Oral, Frequency: 8 per hour • Reactions: Tiredness (lethargy), Walking difficulty, Not eating, Decreased activity, Fear/fearful… • Outcome: Ongoing
- Report ID: USA-USFDACVM-2025-US-054141
- Serious AE: Yes
- Treated For AE: Yes
- Sex: Male
- Age: 9.00 Year
- Weight: 5.443 Kilogram
- Case-reported brand: MSK
- Case-reported manufacturer: MSK
- Route: Oral
- Frequency: 8 per hour
Dog, Crossbred Canine/dog, Female, 10 year, 10.342 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Seizure NOS • Outcome: Ongoing
- Report ID: USA-USFDACVM-2025-US-050056
- Serious AE: Yes
- Treated For AE: Yes
- Sex: Female
- Age: 10.00 Year
- Weight: 10.342 Kilogram
- Case-reported brand: MSK
- Case-reported manufacturer: MSK
- Route: Unknown
- Form: Unassigned
Dog, ['Retriever (unspecified)', 'Retriever - Nova Scotia Duck Tolling'], Male, 9 year, 14.651 kilogram • Drug: MSK, Unassigned, Oral • Reactions: Seizure NOS, Increased seizure frequency • Outcome: Ongoing
- Report ID: USA-USFDACVM-2025-US-050615
- Serious AE: Yes
- Treated For AE: No
- Sex: Male
- Age: 9.00 Year
- Weight: 14.651 Kilogram
- Case-reported brand: MSK
- Case-reported manufacturer: MSK
- Route: Oral
- Form: Unassigned
Cat, Domestic Shorthair, Female, 14.4 year, 3.901 kilogram • Drug: MSK, Unassigned, Unknown, Frequency: 12 per hour • Reactions: Seizure NOS • Outcome: Ongoing
- Report ID: USA-USFDACVM-2025-US-036129
- Serious AE: Yes
- Treated For AE: Yes
- Sex: Female
- Age: 14.40 Year
- Weight: 3.901 Kilogram
- Case-reported brand: MSK
- Case-reported manufacturer: MSK
- Route: Unknown
- Form: Unassigned
- Frequency: 12 per hour
Cat, Persian, Male, 15 year, 4.944 kilogram • Drug: MSK, Solution, Unknown, Dose: 2 mL per dose, Frequency: 12 per hour • Reactions: Not eating, Increased drinking, Weight loss, Elevated alanine aminotransferase, Jaundice… • Outcome: Euthanized
- Report ID: USA-USFDACVM-2025-US-030246
- Serious AE: Yes
- Treated For AE: Yes
- Sex: Male
- Age: 15.00 Year
- Weight: 4.944 Kilogram
- Case-reported brand: MSK
- Case-reported manufacturer: MSK
- Route: Unknown
- Form: Solution
- Dose: 2 mL per dose
- Frequency: 12 per hour
Cat, Domestic Shorthair, Unknown, 2 year, 4.1 kilogram • Drug: MSK, Unknown, Frequency: 1 per day • Reactions: Ketosis, Lack of efficacy - NOS, Abnormal serum protein NOS, Glucosuria • Outcome: Outcome Unknown
- Report ID: USA-USFDACVM-2025-US-018880
- Serious AE: Yes
- Treated For AE: No
- Sex: Unknown
- Age: 2.00 Year
- Weight: 4.100 Kilogram
- Case-reported brand: MSK
- Case-reported manufacturer: MSK
- Route: Unknown
- Frequency: 1 per day
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
Store at room temperature.
Share Your Thoughts
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This medication has not been reviewed by a veterinarian yet.