HIGH-VOLUME · ADVERSE DRUG REACTION
minoxidil Side Effects
minoxidil (also sold as Loniten) is HIGH-VOLUME in this FAERS book #153 of 524 by FAERS report count. Signature opener: ADVERSE DRUG REACTION - ADVERSE DRUG REACTION leads at 8,511 reports (19.5% of the book).
Data updated 2026-05-15
- 43,650
- FAERS reports
FAERS voluntary reports, 2004 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.
Among 43,650 FAERS reports for minoxidil, ADVERSE DRUG REACTION is the most-reported reaction (8,511). Volume band HIGH-VOLUME #153 of 524 by FAERS report count.
High-report extract for minoxidil (Loniten): 43,650 FAERS rows (2004-2025). Top named reactions: ADVERSE DRUG REACTION, ALOPECIA, APPLICATION SITE PRURITUS. Outcome stamps DEATH-MARKED · HOSP-LIGHT · SEX-BALANCED. FAERS is voluntary signal detection, not incidence.
Counts from the openFDA FAERS extract (2004–2025). Stamps CASELOAD · DEATH-MARKED · HOSP-LIGHT · SEX-BALANCED.
ADVERSE DRUG REACTION leads 8,511 of 43,650 reports
Who reports · age peak 45-64 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 45-64 (4,172 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death appears on 443 reports (1.0% - MARKED). Reactions below co-occur in those rows only.
| Reaction | Reports |
|---|---|
| DEATH | 111 |
| RENAL FAILURE | 56 |
| CHRONIC KIDNEY DISEASE | 50 |
| COMPLETED SUICIDE | 48 |
| END STAGE RENAL DISEASE | 45 |
| CARDIO-RESPIRATORY ARREST | 40 |
| HYPERTENSION | 29 |
| GENERAL PHYSICAL HEALTH DETERIORATION | 26 |
| PNEUMONIA | 26 |
| CARDIAC ARREST | 25 |
| ACUTE KIDNEY INJURY | 23 |
| CARDIAC FAILURE CONGESTIVE | 21 |
| ACUTE MYOCARDIAL INFARCTION | 20 |
| DYSPNOEA | 20 |
| MYOCARDIAL INFARCTION | 20 |
| ANXIETY | 19 |
| NAUSEA | 19 |
| HYPOTENSION | 18 |
| VOMITING | 18 |
| CARDIAC DISORDER | 17 |
Reactions in Hospitalization Reports
Hospitalization is lighter here (2,012). Reactions in that subset:
| Reaction | Reports |
|---|---|
| DYSPNOEA | 171 |
| HYPERTENSION | 159 |
| NAUSEA | 117 |
| CARDIAC FAILURE CONGESTIVE | 112 |
| HYPOTENSION | 110 |
| RENAL FAILURE | 108 |
| VOMITING | 107 |
| DIZZINESS | 105 |
| HEADACHE | 102 |
| ACUTE KIDNEY INJURY | 98 |
| PNEUMONIA | 95 |
| CHRONIC KIDNEY DISEASE | 91 |
| FATIGUE | 88 |
| OEDEMA PERIPHERAL | 88 |
| DIARRHOEA | 87 |
| PERICARDIAL EFFUSION | 87 |
| ATRIAL FIBRILLATION | 77 |
| MYOCARDIAL INFARCTION | 72 |
How to read minoxidil FAERS figures (CASELOAD · DEATH-MARKED · HOSP-LIGHT)
FAERS holds 43,650 voluntary reports linked to minoxidil (Loniten), 2004-2025. Death is listed on 443 (1.0%). Hospitalization appears on 2,012 (4.6%). Top co-reported indication: Product Used For Unknown Indication.
CASELOAD books overweight common drugs and loud reporting cultures; ADVERSE DRUG REACTION is the page opener, not a per-patient risk.
Read with minoxidil
Peers ranked by ABS(total_reports), then an ABS(death_share) pole; guide hop follows DEATH-MARKED · HOSP-LIGHT stamps.
ABS(total_reports) peer at 44,206 FAERS cases (Δ 556 heavier vs minoxidil); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-MARKED · HOSP-LIGHT · SEX-BALANCED.
ABS(total_reports) peer at 43,004 FAERS cases (Δ 646 lighter vs minoxidil); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-MARKED · HOSP-LIGHT · SEX-BALANCED.
ABS(total_reports) peer at 42,665 FAERS cases (Δ 985 lighter vs minoxidil); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-MARKED · HOSP-LIGHT · SEX-BALANCED.
ABS(total_reports) peer at 42,504 FAERS cases (Δ 1,146 lighter vs minoxidil); DEATH-HEAVY · HOSP-MID · SEX-BALANCED vs this page's CASELOAD · DEATH-MARKED · HOSP-LIGHT · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 61.1 pp vs minoxidil's DEATH-MARKED): CASELOAD · HOSP-MID.
minoxidil sits in CASELOAD; high report volume tracks exposure and reporting culture more than per-patient risk. Methodology states the de-dup rules.