HIGH-VOLUME · FEMALE-LED
cetirizine Side Effects
cetirizine (also sold as Zyrtec) is HIGH-VOLUME in this FAERS book #100 of 524 by FAERS report count. Signature opener: FEMALE-LED - 71% of sex-coded reports are female (44,738 F / 18,377 M).
Data updated 2026-05-15
- 72,729
- FAERS reports
FAERS voluntary reports, 2004 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.
cetirizine reporting skew - 71% of sex-coded reports are female (44,738 F / 18,377 M). Volume band HIGH-VOLUME #100 of 524 by FAERS report count; caseload CASELOAD.
High-report extract for cetirizine (Zyrtec): 72,729 FAERS rows (2004-2025). Top named reactions: FATIGUE, PAIN, RASH. Outcome stamps DEATH-HEAVY · HOSP-HEAVY · FEMALE-LED. FAERS is voluntary signal detection, not incidence.
Counts from the openFDA FAERS extract (2004–2025). Stamps CASELOAD · DEATH-HEAVY · HOSP-HEAVY · FEMALE-LED.
FATIGUE leads 12,861 of 72,729 reports
FEMALE-LED reporters · age peak 18-44
Female-led reporters (71% of sex-coded rows)
Age peak 18-44 (15,430 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (7,810 reports, 10.7%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| FATIGUE | 2,132 |
| SYSTEMIC LUPUS ERYTHEMATOSUS | 2,129 |
| RASH | 2,113 |
| RHEUMATOID ARTHRITIS | 2,110 |
| GENERAL PHYSICAL HEALTH DETERIORATION | 2,096 |
| HYPERTENSION | 2,093 |
| INFUSION RELATED REACTION | 2,089 |
| HEPATIC ENZYME INCREASED | 2,074 |
| TYPE 2 DIABETES MELLITUS | 2,070 |
| GLOSSODYNIA | 2,066 |
| HAND DEFORMITY | 2,037 |
| DUODENAL ULCER PERFORATION | 2,023 |
| JOINT SWELLING | 2,013 |
| HELICOBACTER INFECTION | 1,971 |
| FIBROMYALGIA | 1,969 |
| HYPOAESTHESIA | 1,966 |
| SYNOVITIS | 1,956 |
| WOUND | 1,954 |
| PSORIATIC ARTHROPATHY | 1,947 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (22,963, 31.6% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| FATIGUE | 4,029 |
| PAIN | 3,617 |
| DYSPNOEA | 3,442 |
| RASH | 3,316 |
| ABDOMINAL DISCOMFORT | 3,230 |
| PYREXIA | 3,190 |
| ARTHRALGIA | 3,148 |
| MALAISE | 3,023 |
| NAUSEA | 2,989 |
| DIARRHOEA | 2,982 |
| VOMITING | 2,980 |
| SWELLING | 2,951 |
| SYSTEMIC LUPUS ERYTHEMATOSUS | 2,936 |
| ALOPECIA | 2,930 |
| INFUSION RELATED REACTION | 2,901 |
| RHEUMATOID ARTHRITIS | 2,886 |
| HEADACHE | 2,881 |
| HYPERSENSITIVITY | 2,808 |
How to read cetirizine FAERS figures (CASELOAD · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 72,729 voluntary reports linked to cetirizine (Zyrtec), 2004-2025. Death is listed on 7,810 (10.7%). Hospitalization appears on 22,963 (31.6%). Top co-reported indication: Product Used For Unknown Indication.
CASELOAD books overweight common drugs and loud reporting cultures; FEMALE-LED is the page opener, not a per-patient risk.
Read with cetirizine
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 72,798 FAERS cases (Δ 69 heavier vs cetirizine); DEATH-MARKED · HOSP-MID · FEMALE-LED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · FEMALE-LED.
ABS(total_reports) peer at 72,146 FAERS cases (Δ 583 lighter vs cetirizine); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · FEMALE-LED.
ABS(total_reports) peer at 72,117 FAERS cases (Δ 612 lighter vs cetirizine); DEATH-MARKED · HOSP-MID · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · FEMALE-LED.
ABS(total_reports) peer at 73,430 FAERS cases (Δ 701 heavier vs cetirizine); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · FEMALE-LED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 51.4 pp vs cetirizine's DEATH-HEAVY): CASELOAD · HOSP-MID.
cetirizine stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload CASELOAD and the label guide.