LOW-VOLUME · HOSP-HEAVY
prazosin Side Effects
prazosin (also sold as Minipress) is a LOW-VOLUME FAERS extract #383 of 524 by FAERS report count. Still opens on HOSP-HEAVY: 36.5% mention hospitalization (2,125 reports).
Data updated 2026-05-15
- 5,825
- FAERS reports
Thinner FAERS book - still a temporal association ledger, not proof of cause. Methodology.
prazosin: 36.5% mention hospitalization (2,125 reports). Death stamp DEATH-HEAVY; volume band LOW-VOLUME #383 of 524 by FAERS report count.
Thinner FAERS extract for prazosin (Minipress) (5,825 reports #383 of 524 by FAERS report count). 36.5% mention hospitalization (2,125 reports). Sparse books still carry named reaction rows when present; not medical advice.
Counts from the openFDA FAERS extract (2001–2025). Stamps WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
NAUSEA leads 361 of 5,825 reports
Who reports · age peak 18-44 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 18-44 (1,564 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (676 reports, 11.6%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| COMPLETED SUICIDE | 191 |
| DEATH | 111 |
| TOXICITY TO VARIOUS AGENTS | 100 |
| CARDIO-RESPIRATORY ARREST | 75 |
| DRUG INTERACTION | 50 |
| CARDIAC ARREST | 41 |
| NAUSEA | 40 |
| DECREASED APPETITE | 38 |
| VOMITING | 37 |
| OROPHARYNGEAL PAIN | 34 |
| SUDDEN CARDIAC DEATH | 33 |
| ANALGESIC DRUG LEVEL ABOVE THERAPEUTIC | 32 |
| ANTIDEPRESSANT DRUG LEVEL ABOVE THERAPEUTIC | 32 |
| ELECTROCARDIOGRAM QT PROLONGED | 32 |
| PULMONARY CONGESTION | 32 |
| SLEEP DISORDER | 32 |
| SUSPECTED SUICIDE | 30 |
| PNEUMONIA | 26 |
| FALL | 25 |
| ACUTE MYOCARDIAL INFARCTION | 21 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (2,125, 36.5% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| TOXICITY TO VARIOUS AGENTS | 140 |
| HYPOTENSION | 128 |
| VOMITING | 110 |
| NAUSEA | 104 |
| FALL | 102 |
| DRUG INTERACTION | 92 |
| ANXIETY | 91 |
| DIARRHOEA | 91 |
| DYSPNOEA | 90 |
| ACUTE KIDNEY INJURY | 87 |
| SUICIDAL IDEATION | 86 |
| INTENTIONAL OVERDOSE | 85 |
| COMPLETED SUICIDE | 80 |
| OVERDOSE | 80 |
| PNEUMONIA | 77 |
| DEPRESSION | 75 |
| HEADACHE | 72 |
| DIZZINESS | 68 |
How to read prazosin FAERS figures (WATCHLIST · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 5,825 voluntary reports linked to prazosin (Minipress), 2001-2025. Death is listed on 676 (11.6%). Hospitalization appears on 2,125 (36.5%). Top co-reported indication: Product Used For Unknown Indication.
Sparse extract - named reactions and SEX-BALANCED skew still differ by drug; not a complete safety profile.
Read with prazosin
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 5,840 FAERS cases (Δ 15 heavier vs prazosin); DEATH-MARKED · HOSP-MID · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 5,878 FAERS cases (Δ 53 heavier vs prazosin); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 5,880 FAERS cases (Δ 55 heavier vs prazosin); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 5,766 FAERS cases (Δ 59 lighter vs prazosin); DEATH-MARKED · HOSP-LIGHT · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 50.5 pp vs prazosin's DEATH-HEAVY): CASELOAD · HOSP-MID.
prazosin stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload WATCHLIST and the label guide.