LOW-VOLUME · SEX-BALANCED
selenium Side Effects
selenium (also sold as Selenium) is a LOW-VOLUME FAERS extract #407 of 524 by FAERS report count. Still opens on SEX-BALANCED: 65% of sex-coded reports are female (2,483 F / 1,333 M).
Data updated 2026-05-15
- 4,079
- FAERS reports
Thinner FAERS book - still a temporal association ledger, not proof of cause. Methodology.
selenium reporting skew - 65% of sex-coded reports are female (2,483 F / 1,333 M). Volume band LOW-VOLUME #407 of 524 by FAERS report count; caseload SIGNAL.
Thinner FAERS extract for selenium (Selenium) (4,079 reports #407 of 524 by FAERS report count). 65% of sex-coded reports are female (2,483 F / 1,333 M). Sparse books still carry named reaction rows when present; not medical advice.
Counts from the openFDA FAERS extract (2005–2025). Stamps SIGNAL · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
FATIGUE leads 467 of 4,079 reports
Who reports · age peak 45-64 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 45-64 (970 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (236 reports, 5.8%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 113 |
| DYSPNOEA | 18 |
| PNEUMONIA | 17 |
| FATIGUE | 16 |
| VOMITING | 16 |
| CONFUSIONAL STATE | 15 |
| ASTHENIA | 14 |
| ASCITES | 13 |
| SEIZURE | 13 |
| SEPSIS | 13 |
| FALL | 12 |
| MALIGNANT NEOPLASM PROGRESSION | 12 |
| DIARRHOEA | 11 |
| NAUSEA | 11 |
| RESPIRATORY FAILURE | 11 |
| CARDIAC ARREST | 10 |
| HYPOXIA | 10 |
| ILL-DEFINED DISORDER | 10 |
| LOSS OF CONSCIOUSNESS | 10 |
| MULTIPLE ORGAN DYSFUNCTION SYNDROME | 10 |
Reactions in Hospitalization Reports
Hospitalization mid-share (1,077, 26.4%). Co-reported reactions:
| Reaction | Reports |
|---|---|
| FATIGUE | 123 |
| NAUSEA | 98 |
| DIARRHOEA | 94 |
| PNEUMONIA | 88 |
| HEADACHE | 79 |
| DYSPNOEA | 77 |
| DIZZINESS | 76 |
| FALL | 73 |
| PAIN | 71 |
| PYREXIA | 69 |
| VOMITING | 62 |
| ARTHRALGIA | 59 |
| WEIGHT DECREASED | 59 |
| ASTHENIA | 57 |
| INSOMNIA | 57 |
| RASH | 55 |
| BACK PAIN | 53 |
| COUGH | 51 |
| INFECTION | 50 |
How to read selenium FAERS figures (SIGNAL · DEATH-HEAVY · HOSP-MID)
FAERS holds 4,079 voluntary reports linked to selenium (Selenium), 2005-2025. Death is listed on 236 (5.8%). Hospitalization appears on 1,077 (26.4%). 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 selenium
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 4,083 FAERS cases (Δ 4 heavier vs selenium); DEATH-RARE · HOSP-LIGHT · SEX-BALANCED vs this page's SIGNAL · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 4,113 FAERS cases (Δ 34 heavier vs selenium); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's SIGNAL · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 4,135 FAERS cases (Δ 56 heavier vs selenium); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's SIGNAL · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 4,175 FAERS cases (Δ 96 heavier vs selenium); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's SIGNAL · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 56.3 pp vs selenium's DEATH-HEAVY): CASELOAD · HOSP-MID.
selenium stamps DEATH-HEAVY · HOSP-MID; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload SIGNAL and the label guide.