HIGH-VOLUME · HOSP-HEAVY
ciprofloxacin Side Effects
ciprofloxacin (also sold as Cipro) is HIGH-VOLUME in this FAERS book #86 of 524 by FAERS report count. Signature opener: HOSP-HEAVY - 39.0% mention hospitalization (34,823 reports).
Data updated 2026-05-15
- 89,398
- FAERS reports
FAERS voluntary reports, 1997 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.
ciprofloxacin: 39.0% mention hospitalization (34,823 reports). Death stamp DEATH-HEAVY; volume band HIGH-VOLUME #86 of 524 by FAERS report count.
High-report extract for ciprofloxacin (Cipro): 89,398 FAERS rows (1997-2025). Top named reactions: DRUG HYPERSENSITIVITY, PAIN, FATIGUE. Outcome stamps DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED. FAERS is voluntary signal detection, not incidence.
Counts from the openFDA FAERS extract (1997–2025). Stamps CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
DRUG HYPERSENSITIVITY leads 5,673 of 89,398 reports
Who reports · age peak 45-64 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 45-64 (21,348 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (9,101 reports, 10.2%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 1,853 |
| PNEUMONIA | 749 |
| RENAL FAILURE | 738 |
| ACUTE KIDNEY INJURY | 668 |
| SEPSIS | 587 |
| CHRONIC KIDNEY DISEASE | 585 |
| DIARRHOEA | 578 |
| PYREXIA | 530 |
| SEPTIC SHOCK | 519 |
| DYSPNOEA | 468 |
| RESPIRATORY FAILURE | 450 |
| NAUSEA | 426 |
| VOMITING | 419 |
| ASTHENIA | 377 |
| CONDITION AGGRAVATED | 375 |
| ANAEMIA | 374 |
| FATIGUE | 372 |
| END STAGE RENAL DISEASE | 365 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (34,823, 39.0% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| DIARRHOEA | 2,782 |
| PYREXIA | 2,621 |
| NAUSEA | 2,620 |
| PAIN | 2,192 |
| DYSPNOEA | 2,089 |
| ACUTE KIDNEY INJURY | 2,082 |
| FATIGUE | 2,019 |
| PNEUMONIA | 1,960 |
| VOMITING | 1,955 |
| ABDOMINAL PAIN | 1,675 |
| DRUG INTERACTION | 1,599 |
| ASTHENIA | 1,591 |
| URINARY TRACT INFECTION | 1,527 |
| HEADACHE | 1,428 |
| ANXIETY | 1,416 |
| ARTHRALGIA | 1,375 |
| CONDITION AGGRAVATED | 1,340 |
| ANAEMIA | 1,294 |
How to read ciprofloxacin FAERS figures (CASELOAD · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 89,398 voluntary reports linked to ciprofloxacin (Cipro), 1997-2025. Death is listed on 9,101 (10.2%). Hospitalization appears on 34,823 (39.0%). 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 ciprofloxacin
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 90,083 FAERS cases (Δ 685 heavier vs ciprofloxacin); DEATH-HEAVY · HOSP-MID · FEMALE-LED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 90,121 FAERS cases (Δ 723 heavier vs ciprofloxacin); DEATH-HEAVY · HOSP-MID · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 90,652 FAERS cases (Δ 1,254 heavier vs ciprofloxacin); DEATH-HEAVY · HOSP-MID · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 87,759 FAERS cases (Δ 1,639 lighter vs ciprofloxacin); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 51.9 pp vs ciprofloxacin's DEATH-HEAVY): CASELOAD · HOSP-MID.
ciprofloxacin stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload CASELOAD and the label guide.