HIGH-VOLUME · FEMALE-LED
anastrozole Side Effects
anastrozole (also sold as Arimidex) is HIGH-VOLUME in this FAERS book #174 of 524 by FAERS report count. Signature opener: FEMALE-LED - 95% of sex-coded reports are female (31,192 F / 1,575 M).
Data updated 2026-05-15
- 35,161
- FAERS reports
FAERS voluntary reports, 2003 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.
anastrozole reporting skew - 95% of sex-coded reports are female (31,192 F / 1,575 M). Volume band HIGH-VOLUME #174 of 524 by FAERS report count; caseload CASELOAD.
High-report extract for anastrozole (Arimidex): 35,161 FAERS rows (2003-2025). Top named reactions: FATIGUE, ARTHRALGIA, NAUSEA. Outcome stamps DEATH-HEAVY · HOSP-MID · FEMALE-LED. FAERS is voluntary signal detection, not incidence.
Counts from the openFDA FAERS extract (2003–2025). Stamps CASELOAD · DEATH-HEAVY · HOSP-MID · FEMALE-LED.
FATIGUE leads 3,256 of 35,161 reports
FEMALE-LED reporters · age peak 45-64
Female-led reporters (95% of sex-coded rows)
Age peak 45-64 (9,987 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (2,383 reports, 6.8%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 926 |
| DIARRHOEA | 347 |
| FATIGUE | 344 |
| DYSPNOEA | 333 |
| NAUSEA | 332 |
| VOMITING | 304 |
| ASCITES | 299 |
| FALL | 288 |
| ASTHENIA | 272 |
| ARTHRALGIA | 269 |
| DECREASED APPETITE | 269 |
| SEPSIS | 264 |
| HEADACHE | 257 |
| COUGH | 249 |
| DIZZINESS | 249 |
| ABDOMINAL PAIN | 247 |
| PRURITUS | 244 |
| CARDIO-RESPIRATORY ARREST | 243 |
| HAEMORRHAGIC STROKE | 241 |
| TACHYCARDIA | 241 |
Reactions in Hospitalization Reports
Hospitalization mid-share (7,649, 21.8%). Co-reported reactions:
| Reaction | Reports |
|---|---|
| NAUSEA | 703 |
| FATIGUE | 673 |
| DIARRHOEA | 633 |
| DYSPNOEA | 558 |
| VOMITING | 438 |
| ASTHENIA | 436 |
| FALL | 432 |
| ARTHRALGIA | 425 |
| PNEUMONIA | 417 |
| HEADACHE | 387 |
| PAIN | 383 |
| DIZZINESS | 372 |
| MALAISE | 353 |
| PYREXIA | 351 |
| ANAEMIA | 334 |
| WEIGHT DECREASED | 299 |
| DECREASED APPETITE | 272 |
| COUGH | 269 |
| HYPERTENSION | 260 |
How to read anastrozole FAERS figures (CASELOAD · DEATH-HEAVY · HOSP-MID)
FAERS holds 35,161 voluntary reports linked to anastrozole (Arimidex), 2003-2025. Death is listed on 2,383 (6.8%). Hospitalization appears on 7,649 (21.8%). Top co-reported indication: Breast Cancer.
CASELOAD books overweight common drugs and loud reporting cultures; FEMALE-LED is the page opener, not a per-patient risk.
Read with anastrozole
Peers ranked by ABS(total_reports), then an ABS(death_share) pole; guide hop follows DEATH-HEAVY · HOSP-MID stamps.
ABS(total_reports) peer at 35,138 FAERS cases (Δ 23 lighter vs anastrozole); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-MID · FEMALE-LED.
ABS(total_reports) peer at 35,350 FAERS cases (Δ 189 heavier vs anastrozole); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-MID · FEMALE-LED.
ABS(total_reports) peer at 35,897 FAERS cases (Δ 736 heavier vs anastrozole); DEATH-MARKED · HOSP-LIGHT · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-MID · FEMALE-LED.
ABS(total_reports) peer at 36,174 FAERS cases (Δ 1,013 heavier vs anastrozole); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-MID · FEMALE-LED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 55.3 pp vs anastrozole's DEATH-HEAVY): CASELOAD · HOSP-MID.
anastrozole stamps DEATH-HEAVY · HOSP-MID; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload CASELOAD and the label guide.