LEVETIRACETAM ORAL

85/100 · Critical

Manufactured by Amneal Pharmaceuticals LLC

Levetiracetam Oral Adverse Events: High Seriousness and Diverse Reactions

117,347 FDA adverse event reports analyzed

Last updated: 2026-05-12

About LEVETIRACETAM ORAL

LEVETIRACETAM ORAL is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Amneal Pharmaceuticals LLC. Based on analysis of 117,347 FDA adverse event reports, LEVETIRACETAM ORAL has a safety score of 85 out of 100. This score indicates a relatively favorable safety profile, with fewer or less severe adverse events compared to many other tracked medications. The most commonly reported adverse reactions for LEVETIRACETAM ORAL include DRUG INEFFECTIVE, SEIZURE, OFF LABEL USE, MATERNAL EXPOSURE DURING PREGNANCY, EPILEPSY. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for LEVETIRACETAM ORAL.

AI Safety Analysis

Levetiracetam Oral has a safety concern score of 85 out of 100, placing it in the high concern category based on analysis of FDA adverse event data. The FDA has received approximately 117,347 adverse event reports for this medication, which is primarily manufactured by Amneal Pharmaceuticals Llc.

The most commonly reported adverse events include Drug Ineffective, Seizure, Off Label Use. Of classified reports, 88.9% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. High percentage of serious adverse events (88.9%) indicates significant safety concerns.

Seizure-related reactions are common, with multiple types of seizures reported. Multiple drug interactions and pregnancy-related issues are frequent.

Patients taking Levetiracetam Oral should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Levetiracetam can cause drug interactions and should be used with caution in combination with other medications. Warnings are also issued for its use during pregnancy. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 85/100

Levetiracetam Oral received a safety concern score of 85/100 (high concern). This is based on a 88.9% serious event ratio across 73,469 classified reports. The score accounts for 117,347 total adverse event reports and 100 distinct reaction types. This high score reflects a significant proportion of serious adverse events in the reporting data.

Top Adverse Reactions

DRUG INEFFECTIVE8,648 reports
SEIZURE8,485 reports
OFF LABEL USE6,066 reports
MATERNAL EXPOSURE DURING PREGNANCY2,957 reports
EPILEPSY2,669 reports
FOETAL EXPOSURE DURING PREGNANCY2,455 reports
DRUG INTERACTION2,420 reports
FATIGUE2,370 reports
CONDITION AGGRAVATED2,192 reports
STATUS EPILEPTICUS1,993 reports
SOMNOLENCE1,955 reports
GENERALISED TONIC CLONIC SEIZURE1,909 reports
FALL1,791 reports
TOXICITY TO VARIOUS AGENTS1,719 reports
DIZZINESS1,677 reports
HEADACHE1,598 reports
NAUSEA1,534 reports
ABORTION SPONTANEOUS1,527 reports
PYREXIA1,501 reports
DEATH1,497 reports
DIARRHOEA1,445 reports
VOMITING1,361 reports
CONFUSIONAL STATE1,291 reports
CONVULSION1,281 reports
PNEUMONIA1,276 reports
AGGRESSION1,252 reports
MULTIPLE DRUG RESISTANCE1,205 reports
THROMBOCYTOPENIA1,180 reports
RASH1,165 reports
ACUTE KIDNEY INJURY1,164 reports
RHABDOMYOLYSIS1,128 reports
DEPRESSION1,094 reports
OVERDOSE1,085 reports
ASTHENIA1,057 reports
HYPOTENSION1,048 reports
PRODUCT USE IN UNAPPROVED INDICATION1,047 reports
ANXIETY1,011 reports
DRUG REACTION WITH EOSINOPHILIA AND SYSTEMIC SYMPTOMS990 reports
DRUG INEFFECTIVE FOR UNAPPROVED INDICATION960 reports
EXPOSURE DURING PREGNANCY945 reports
AGITATION900 reports
INSOMNIA893 reports
DECREASED APPETITE888 reports
GAIT DISTURBANCE888 reports
IRRITABILITY877 reports
TREMOR875 reports
PARTIAL SEIZURES868 reports
DRUG RESISTANCE818 reports
DYSPNOEA818 reports
WEIGHT DECREASED817 reports
MEMORY IMPAIRMENT809 reports
PRODUCT USE ISSUE789 reports
COGNITIVE DISORDER784 reports
PAIN744 reports
MALAISE719 reports
TREATMENT FAILURE712 reports
NEUTROPENIA660 reports
GENERAL PHYSICAL HEALTH DETERIORATION654 reports
HYPONATRAEMIA654 reports
CARDIAC ARREST653 reports
PRODUCT SUBSTITUTION ISSUE652 reports
LOSS OF CONSCIOUSNESS644 reports
SUICIDAL IDEATION644 reports
ANAEMIA635 reports
PETIT MAL EPILEPSY627 reports
RESPIRATORY FAILURE626 reports
URINARY TRACT INFECTION626 reports
HALLUCINATION614 reports
NO ADVERSE EVENT614 reports
WEIGHT INCREASED608 reports
PREGNANCY605 reports
ENCEPHALOPATHY604 reports
ANGER560 reports
DISEASE PROGRESSION559 reports
PRURITUS553 reports
SEPSIS545 reports
BALANCE DISORDER541 reports
INTENTIONAL OVERDOSE540 reports
PRODUCT DOSE OMISSION ISSUE535 reports
ABNORMAL BEHAVIOUR533 reports
COUGH524 reports
CONSTIPATION523 reports
BRADYCARDIA505 reports
DEPRESSED LEVEL OF CONSCIOUSNESS501 reports
DISTURBANCE IN ATTENTION499 reports
CYTOKINE RELEASE SYNDROME492 reports
FEELING ABNORMAL492 reports
TACHYCARDIA491 reports
RENAL FAILURE490 reports
ATAXIA483 reports
PANCYTOPENIA482 reports
MYOCLONUS480 reports
ABDOMINAL PAIN478 reports
COMPLETED SUICIDE478 reports
PSYCHOTIC DISORDER470 reports
HYPERTENSION467 reports
THERAPEUTIC PRODUCT EFFECT INCOMPLETE467 reports
CEREBROVASCULAR ACCIDENT466 reports
DELIRIUM464 reports
DYSPHAGIA462 reports

Key Safety Signals

  • Seizure events are the most common reaction, with various types reported.
  • High number of serious adverse events, particularly related to neurological and cardiovascular systems.
  • Multiple drug interactions and pregnancy-related warnings are present.

Patient Demographics

Adverse event reports by sex: Female: 33,758, Male: 28,551, Unknown: 212. The most frequently reported age groups are age 3 (873 reports), age 67 (832 reports), age 65 (784 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 73,469 classified reports for LEVETIRACETAM ORAL:

  • Serious: 65,335 reports (88.9%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 8,134 reports (11.1%)
Serious 88.9%Non-Serious 11.1%

The FDA classifies an adverse event as “serious” if it results in death, hospitalization, disability, congenital anomaly, or requires intervention to prevent permanent damage.

Demographics Breakdown

Reports by Sex

Female33,758 (54.0%)
Male28,551 (45.7%)
Unknown212 (0.3%)

Reports by Age

Age 3873 reports
Age 67832 reports
Age 65784 reports
Age 4773 reports
Age 60756 reports
Age 5730 reports
Age 64721 reports
Age 31720 reports
Age 6703 reports
Age 63696 reports
Age 59686 reports
Age 66684 reports
Age 69683 reports
Age 2677 reports
Age 52675 reports
Age 54675 reports
Age 29674 reports
Age 58674 reports
Age 75662 reports
Age 62659 reports

Demographics reflect voluntary FDA adverse event reporting patterns and may not represent the full patient population.

Drug Interactions & Warnings

Levetiracetam can cause drug interactions and should be used with caution in combination with other medications. Warnings are also issued for its use during pregnancy.

What You Should Know

If you are taking Levetiracetam Oral, here are important things to know. The most commonly reported side effects include drug ineffective, seizure, off label use, maternal exposure during pregnancy, epilepsy. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Monitor for signs of seizures and other neurological symptoms, especially in patients with a history of such conditions. Be aware of potential drug interactions and inform your healthcare provider of all medications you are taking. If you experience a serious adverse reaction, seek emergency medical attention immediately or call 911. You can report side effects to the FDA's MedWatch program at 1-800-FDA-1088.

Regulatory Context

The FDA closely monitors Levetiracetam for safety, and patients should report any adverse events to their healthcare provider immediately. Regular monitoring is recommended for patients with pre-existing conditions.

Frequently Asked Questions

How many adverse event reports has the FDA received for Levetiracetam Oral?

The FDA has received approximately 117,347 adverse event reports associated with Levetiracetam Oral. These reports come from healthcare professionals, consumers, and manufacturers through the FDA Adverse Event Reporting System (FAERS). Note that the number of reports does not directly indicate the frequency of side effects, as adverse events are voluntarily reported and may be underrepresented.

What are the most commonly reported side effects of Levetiracetam Oral?

The most frequently reported adverse events for Levetiracetam Oral include Drug Ineffective, Seizure, Off Label Use, Maternal Exposure During Pregnancy, Epilepsy. By volume, the top reported reactions are: Drug Ineffective (8,648 reports), Seizure (8,485 reports), Off Label Use (6,066 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Levetiracetam Oral.

What percentage of Levetiracetam Oral adverse event reports are serious?

Out of 73,469 classified reports, 65,335 (88.9%) were classified as serious and 8,134 as non-serious. The FDA classifies an event as "serious" if it results in death, hospitalization, disability, or other medically significant outcomes. A higher serious-event ratio warrants closer attention but does not necessarily mean the drug is unsafe.

Who reports adverse events for Levetiracetam Oral (by sex)?

Adverse event reports for Levetiracetam Oral break down by patient sex as follows: Female: 33,758, Male: 28,551, Unknown: 212. This distribution reflects reporting patterns rather than actual risk differences between groups. Reporting rates can be influenced by prescribing patterns, disease demographics, and reporting behavior.

What age groups report the most side effects for Levetiracetam Oral?

The most frequently reported age groups for Levetiracetam Oral adverse events are: age 3: 873 reports, age 67: 832 reports, age 65: 784 reports, age 4: 773 reports, age 60: 756 reports. Age-related reporting patterns can reflect both the demographics of the patient population and potential age-related susceptibility to certain side effects.

Who manufactures Levetiracetam Oral?

The primary manufacturer associated with Levetiracetam Oral adverse event reports is Amneal Pharmaceuticals Llc. Multiple manufacturers may produce generic versions of this drug. The manufacturer listed reflects the most frequently reported brand in FDA adverse event data.

What other side effects have been reported for Levetiracetam Oral?

Beyond the most common reactions, other reported adverse events for Levetiracetam Oral include: Foetal Exposure During Pregnancy, Drug Interaction, Fatigue, Condition Aggravated, Status Epilepticus. Less common side effects can still be clinically significant. Patients should report any unusual symptoms to their healthcare provider.

How do I report a side effect from Levetiracetam Oral?

You can report adverse events from Levetiracetam Oral to the FDA through their MedWatch program at www.fda.gov/medwatch, by calling 1-800-FDA-1088, or by completing Form FDA 3500. Healthcare professionals, consumers, and manufacturers can all submit reports. Reporting helps the FDA monitor drug safety after approval.

What is Levetiracetam Oral's safety score and what does it mean?

Levetiracetam Oral has a safety concern score of 85 out of 100 (high concern). This score is calculated from the ratio of serious to non-serious adverse events, the diversity of reported reactions, and the overall volume of reports relative to usage. High percentage of serious adverse events (88.9%) indicates significant safety concerns.

What are the key safety signals for Levetiracetam Oral?

Key safety signals identified in Levetiracetam Oral's adverse event data include: Seizure events are the most common reaction, with various types reported.. High number of serious adverse events, particularly related to neurological and cardiovascular systems.. Multiple drug interactions and pregnancy-related warnings are present.. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Levetiracetam Oral interact with other drugs?

Levetiracetam can cause drug interactions and should be used with caution in combination with other medications. Warnings are also issued for its use during pregnancy. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Levetiracetam Oral.

What should patients know before taking Levetiracetam Oral?

Monitor for signs of seizures and other neurological symptoms, especially in patients with a history of such conditions. Be aware of potential drug interactions and inform your healthcare provider of all medications you are taking.

Are Levetiracetam Oral side effects well-documented?

Levetiracetam Oral has 117,347 adverse event reports on file with the FDA. Seizure-related reactions are common, with multiple types of seizures reported. The volume of reports for Levetiracetam Oral reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Levetiracetam Oral?

The FDA closely monitors Levetiracetam for safety, and patients should report any adverse events to their healthcare provider immediately. Regular monitoring is recommended for patients with pre-existing conditions. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

Related Drugs

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Important Disclaimer: This content is generated by AI analysis of FDA adverse event reports and is provided for informational purposes only. It is not medical advice. Adverse event reports submitted to the FDA do not prove that a medication caused the reported side effect. Always consult your healthcare provider before starting, stopping, or changing any medication. If you experience a serious side effect, contact your doctor or call 911 immediately.