HIGH-VOLUME · HOSP-HEAVY
levofloxacin Side Effects
levofloxacin (also sold as Levaquin) is HIGH-VOLUME in this FAERS book #125 of 524 by FAERS report count. Signature opener: HOSP-HEAVY - 46.6% mention hospitalization (27,056 reports).
Data updated 2026-05-15
- 58,038
- FAERS reports
FAERS voluntary reports, 2003 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.
levofloxacin: 46.6% mention hospitalization (27,056 reports). Death stamp DEATH-HEAVY; volume band HIGH-VOLUME #125 of 524 by FAERS report count.
High-report extract for levofloxacin (Levaquin): 58,038 FAERS rows (2003-2025). Top named reactions: DYSPNOEA, PNEUMONIA, NAUSEA. Outcome stamps DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED. FAERS is voluntary signal detection, not incidence.
Counts from the openFDA FAERS extract (2003–2025). Stamps CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
DYSPNOEA leads 2,950 of 58,038 reports
Who reports · age peak 45-64 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 45-64 (13,983 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (7,897 reports, 13.6%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 1,757 |
| PNEUMONIA | 720 |
| ACUTE KIDNEY INJURY | 508 |
| SEPSIS | 449 |
| RESPIRATORY FAILURE | 441 |
| PYREXIA | 422 |
| DIARRHOEA | 407 |
| DYSPNOEA | 405 |
| SEPTIC SHOCK | 403 |
| RENAL FAILURE | 386 |
| MULTIPLE ORGAN DYSFUNCTION SYNDROME | 365 |
| CONDITION AGGRAVATED | 357 |
| CHRONIC KIDNEY DISEASE | 334 |
| NAUSEA | 315 |
| THROMBOCYTOPENIA | 310 |
| FATIGUE | 301 |
| ANAEMIA | 297 |
| FEBRILE NEUTROPENIA | 289 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (27,056, 46.6% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| PNEUMONIA | 2,155 |
| PYREXIA | 1,851 |
| DYSPNOEA | 1,801 |
| NAUSEA | 1,394 |
| DIARRHOEA | 1,387 |
| ACUTE KIDNEY INJURY | 1,314 |
| FATIGUE | 1,199 |
| HYPOTENSION | 1,126 |
| PAIN | 1,123 |
| VOMITING | 1,121 |
| FEBRILE NEUTROPENIA | 1,054 |
| FALL | 1,045 |
| CONDITION AGGRAVATED | 995 |
| ANAEMIA | 972 |
| DRUG INTERACTION | 940 |
| ASTHENIA | 897 |
| CONSTIPATION | 880 |
| COUGH | 760 |
How to read levofloxacin FAERS figures (CASELOAD · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 58,038 voluntary reports linked to levofloxacin (Levaquin), 2003-2025. Death is listed on 7,897 (13.6%). Hospitalization appears on 27,056 (46.6%). Top co-reported indication: Product Used For Unknown Indication.
CASELOAD books overweight common drugs and loud reporting cultures; HOSP-HEAVY is the page opener, not a per-patient risk.
Read with levofloxacin
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 57,675 FAERS cases (Δ 363 lighter vs levofloxacin); DEATH-MARKED · HOSP-MID · FEMALE-LED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 57,614 FAERS cases (Δ 424 lighter vs levofloxacin); DEATH-HEAVY · HOSP-MID · MALE-LED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 58,495 FAERS cases (Δ 457 heavier vs levofloxacin); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 59,013 FAERS cases (Δ 975 heavier vs levofloxacin); DEATH-HEAVY · HOSP-MID · FEMALE-LED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 48.5 pp vs levofloxacin's DEATH-HEAVY): CASELOAD · HOSP-MID.
levofloxacin stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload CASELOAD and the label guide.