HIGH-VOLUME · HOSP-HEAVY
levetiracetam Side Effects
levetiracetam (also sold as Keppra) is HIGH-VOLUME in this FAERS book #58 of 524 by FAERS report count. Signature opener: HOSP-HEAVY - 37.1% mention hospitalization (47,411 reports).
Data updated 2026-05-15
- 127,698
- FAERS reports
FAERS voluntary reports, 2002 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.
levetiracetam: 37.1% mention hospitalization (47,411 reports). Death stamp DEATH-HEAVY; volume band HIGH-VOLUME #58 of 524 by FAERS report count.
High-report extract for levetiracetam (Keppra): 127,698 FAERS rows (2002-2025). Top named reactions: SEIZURE, FATIGUE, CONVULSION. Outcome stamps DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED. FAERS is voluntary signal detection, not incidence.
Counts from the openFDA FAERS extract (2002–2025). Stamps MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
SEIZURE leads 15,308 of 127,698 reports
Who reports · age peak 18-44 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 18-44 (24,199 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (11,586 reports, 9.1%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 3,119 |
| TOXICITY TO VARIOUS AGENTS | 637 |
| SEIZURE | 635 |
| PNEUMONIA | 618 |
| COMPLETED SUICIDE | 581 |
| CARDIAC ARREST | 492 |
| SEPSIS | 477 |
| DISEASE PROGRESSION | 426 |
| RESPIRATORY FAILURE | 393 |
| STATUS EPILEPTICUS | 348 |
| PYREXIA | 347 |
| MULTIPLE ORGAN DYSFUNCTION SYNDROME | 342 |
| GENERAL PHYSICAL HEALTH DETERIORATION | 336 |
| MALIGNANT NEOPLASM PROGRESSION | 315 |
| DIARRHOEA | 312 |
| CARDIO-RESPIRATORY ARREST | 303 |
| THROMBOCYTOPENIA | 293 |
| FATIGUE | 292 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (47,411, 37.1% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| SEIZURE | 5,820 |
| FALL | 2,315 |
| PYREXIA | 2,071 |
| PNEUMONIA | 1,983 |
| FATIGUE | 1,822 |
| CONVULSION | 1,730 |
| VOMITING | 1,721 |
| SOMNOLENCE | 1,655 |
| DRUG INTERACTION | 1,642 |
| STATUS EPILEPTICUS | 1,609 |
| CONFUSIONAL STATE | 1,564 |
| EPILEPSY | 1,491 |
| DIARRHOEA | 1,476 |
| HEADACHE | 1,458 |
| NAUSEA | 1,453 |
| ASTHENIA | 1,338 |
| DIZZINESS | 1,284 |
| CONDITION AGGRAVATED | 1,264 |
How to read levetiracetam FAERS figures (MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 127,698 voluntary reports linked to levetiracetam (Keppra), 2002-2025. Death is listed on 11,586 (9.1%). Hospitalization appears on 47,411 (37.1%). Top co-reported indication: Product Used For Unknown Indication.
MEGA-CASE books overweight common drugs and loud reporting cultures; HOSP-HEAVY is the page opener, not a per-patient risk.
Read with levetiracetam
Peers ranked by ABS(total_reports), then an ABS(death_share) pole; guide hop follows DEATH-HEAVY · HOSP-HEAVY stamps.
ABS(total_reports) peer at 128,099 FAERS cases (Δ 401 heavier vs levetiracetam); DEATH-HEAVY · HOSP-HEAVY · FEMALE-LED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 127,196 FAERS cases (Δ 502 lighter vs levetiracetam); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 129,958 FAERS cases (Δ 2,260 heavier vs levetiracetam); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 124,873 FAERS cases (Δ 2,825 lighter vs levetiracetam); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 53.0 pp vs levetiracetam's DEATH-HEAVY): CASELOAD · HOSP-MID.
levetiracetam stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload MEGA-CASE and the label guide.