HIGH-VOLUME · HOSP-HEAVY
azithromycin Side Effects
azithromycin (also sold as Zithromax, Z-Pack) is HIGH-VOLUME in this FAERS book #166 of 524 by FAERS report count. Signature opener: HOSP-HEAVY - 39.7% mention hospitalization (14,840 reports).
Data updated 2026-05-15
- 37,361
- FAERS reports
FAERS voluntary reports, 2004 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.
azithromycin: 39.7% mention hospitalization (14,840 reports). Death stamp DEATH-HEAVY; volume band HIGH-VOLUME #166 of 524 by FAERS report count.
High-report extract for azithromycin (Zithromax): 37,361 FAERS rows (2004-2025). Top named reactions: DYSPNOEA, NAUSEA, PAIN. Outcome stamps DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED. FAERS is voluntary signal detection, not incidence.
Counts from the openFDA FAERS extract (2004–2025). Stamps CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
DYSPNOEA leads 3,059 of 37,361 reports
Who reports · age peak 45-64 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 45-64 (8,126 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (3,628 reports, 9.7%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 860 |
| PNEUMONIA | 350 |
| DYSPNOEA | 301 |
| RESPIRATORY FAILURE | 286 |
| CONDITION AGGRAVATED | 263 |
| ACUTE KIDNEY INJURY | 260 |
| RENAL FAILURE | 223 |
| CHRONIC KIDNEY DISEASE | 194 |
| HYPOXIA | 188 |
| SEPSIS | 181 |
| CARDIAC ARREST | 177 |
| DRUG INEFFECTIVE FOR UNAPPROVED INDICATION | 164 |
| MULTIPLE ORGAN DYSFUNCTION SYNDROME | 157 |
| HYPOTENSION | 150 |
| ANXIETY | 144 |
| PYREXIA | 132 |
| NAUSEA | 124 |
| FATIGUE | 121 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (14,840, 39.7% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| DYSPNOEA | 1,786 |
| PNEUMONIA | 1,496 |
| PAIN | 1,224 |
| NAUSEA | 1,086 |
| PYREXIA | 1,067 |
| COUGH | 977 |
| ASTHMA | 906 |
| CONDITION AGGRAVATED | 814 |
| DIARRHOEA | 766 |
| VOMITING | 762 |
| FATIGUE | 746 |
| ANXIETY | 737 |
| WHEEZING | 730 |
| HEADACHE | 725 |
| ABDOMINAL PAIN | 658 |
| WEIGHT DECREASED | 650 |
| MALAISE | 633 |
| PULMONARY EMBOLISM | 599 |
How to read azithromycin FAERS figures (CASELOAD · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 37,361 voluntary reports linked to azithromycin (Zithromax, Z-Pack), 2004-2025. Death is listed on 3,628 (9.7%). Hospitalization appears on 14,840 (39.7%). 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 azithromycin
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 37,033 FAERS cases (Δ 328 lighter vs azithromycin); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 36,931 FAERS cases (Δ 430 lighter vs azithromycin); DEATH-HEAVY · HOSP-MID · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 36,917 FAERS cases (Δ 444 lighter vs azithromycin); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 36,885 FAERS cases (Δ 476 lighter vs azithromycin); DEATH-MARKED · 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 52.4 pp vs azithromycin's DEATH-HEAVY): CASELOAD · HOSP-MID.
azithromycin stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload CASELOAD and the label guide.