MID-VOLUME · MALE-LED
tamsulosin Side Effects
tamsulosin (also sold as Flomax) sits MID-VOLUME #244 of 524 by FAERS report count. Lead signal: MALE-LED - 5% of sex-coded reports are female (816 F / 15,913 M). Demographics and serious-outcome tables follow.
Data updated 2026-05-15
- 18,628
- FAERS reports
FDA Adverse Event Reporting System extract for tamsulosin. Stamp set WATCHLIST · DEATH-HEAVY · HOSP-HEAVY. How figures are compiled.
tamsulosin reporting skew - 5% of sex-coded reports are female (816 F / 15,913 M). Volume band MID-VOLUME #244 of 524 by FAERS report count; caseload WATCHLIST.
Mid-book FAERS page for tamsulosin (Flomax) (18,628 reports). Signature MALE-LED. Dominant age band on file: 75+. Educational reference only.
Counts from the openFDA FAERS extract (2004–2025). Stamps WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · MALE-LED.
FATIGUE leads 1,417 of 18,628 reports
MALE-LED reporters · age peak 75+
Male-led reporters (95% of sex-coded rows)
Age peak 75+ (5,689 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (2,065 reports, 11.1%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 638 |
| DYSPNOEA | 308 |
| SEPSIS | 295 |
| CARDIO-RESPIRATORY ARREST | 279 |
| DIARRHOEA | 276 |
| FALL | 273 |
| HAEMORRHAGIC STROKE | 265 |
| DIZZINESS | 255 |
| ALTERED STATE OF CONSCIOUSNESS | 248 |
| FATIGUE | 232 |
| HEADACHE | 231 |
| DECREASED APPETITE | 225 |
| MALAISE | 224 |
| ASTHENIA | 216 |
| TACHYCARDIA | 212 |
| CHILLS | 211 |
| ASCITES | 209 |
| INSOMNIA | 209 |
| ABDOMINAL PAIN | 208 |
| PYREXIA | 208 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (6,635, 35.6% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| DYSPNOEA | 623 |
| PNEUMONIA | 435 |
| FALL | 380 |
| DIZZINESS | 351 |
| FATIGUE | 345 |
| DIARRHOEA | 343 |
| HYPOTENSION | 320 |
| ASTHENIA | 296 |
| ASTHMA | 272 |
| ACUTE KIDNEY INJURY | 256 |
| HYPERTENSION | 254 |
| PYREXIA | 251 |
| WHEEZING | 244 |
| ATRIAL FIBRILLATION | 241 |
| PRODUCTIVE COUGH | 238 |
| URINARY TRACT INFECTION | 232 |
| ANAEMIA | 229 |
| BENIGN PROSTATIC HYPERPLASIA | 227 |
| NAUSEA | 223 |
How to read tamsulosin FAERS figures (WATCHLIST · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 18,628 voluntary reports linked to tamsulosin (Flomax), 2004-2025. Death is listed on 2,065 (11.1%). Hospitalization appears on 6,635 (35.6%). Top co-reported indication: Product Used For Unknown Indication.
Mid-volume extract - treat DEATH-HEAVY · HOSP-HEAVY as signal-detection rates next to 5% of sex-coded reports are female (816 F / 15,913 M).
Read with tamsulosin
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 18,851 FAERS cases (Δ 223 heavier vs tamsulosin); DEATH-HEAVY · HOSP-MID · FEMALE-LED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · MALE-LED.
ABS(total_reports) peer at 18,936 FAERS cases (Δ 308 heavier vs tamsulosin); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · MALE-LED.
ABS(total_reports) peer at 18,237 FAERS cases (Δ 391 lighter vs tamsulosin); DEATH-HEAVY · HOSP-MID · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · MALE-LED.
ABS(total_reports) peer at 19,058 FAERS cases (Δ 430 heavier vs tamsulosin); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · MALE-LED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 51.0 pp vs tamsulosin's DEATH-HEAVY): CASELOAD · HOSP-MID.
tamsulosin stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload WATCHLIST and the label guide.