LOW-VOLUME · DEATH-HEAVY
tetrabenazine Side Effects
tetrabenazine (also sold as Xenazine) is a LOW-VOLUME FAERS extract #357 of 524 by FAERS report count. Still opens on DEATH-HEAVY: 21.1% of FAERS reports list death as an outcome (1,527 of 7,235).
Data updated 2026-05-15
- 7,235
- FAERS reports
Thinner FAERS book - still a temporal association ledger, not proof of cause. Methodology.
tetrabenazine: 21.1% of FAERS reports list death as an outcome (1,527 of 7,235). Caseload stamp WATCHLIST; volume band LOW-VOLUME #357 of 524 by FAERS report count.
Thinner FAERS extract for tetrabenazine (Xenazine) (7,235 reports #357 of 524 by FAERS report count). 21.1% of FAERS reports list death as an outcome (1,527 of 7,235). Sparse books still carry named reaction rows when present; not medical advice.
Counts from the openFDA FAERS extract (2004–2025). Stamps WATCHLIST · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
DEATH leads 1,216 of 7,235 reports
Who reports · age peak 45-64 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 45-64 (1,496 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (1,527 reports, 21.1%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 1,210 |
| PRESCRIBED OVERDOSE | 56 |
| PNEUMONIA | 47 |
| HUNTINGTON^S DISEASE | 40 |
| HOSPITALISATION | 34 |
| DYSPHAGIA | 33 |
| FALL | 32 |
| PNEUMONIA ASPIRATION | 28 |
| DISEASE PROGRESSION | 21 |
| SOMNOLENCE | 21 |
| DYSKINESIA | 17 |
| CARDIAC ARREST | 16 |
| DRUG ADMINISTRATION ERROR | 16 |
| HUNTINGTON'S DISEASE | 16 |
| ASPIRATION | 13 |
| COMPLETED SUICIDE | 13 |
| HOSPICE CARE | 13 |
| DECREASED APPETITE | 12 |
Reactions in Hospitalization Reports
Hospitalization mid-share (1,469, 20.3%). Co-reported reactions:
| Reaction | Reports |
|---|---|
| HOSPITALISATION | 293 |
| FALL | 124 |
| PNEUMONIA | 85 |
| DEPRESSION | 79 |
| DEATH | 74 |
| ANXIETY | 60 |
| DYSPHAGIA | 56 |
| TARDIVE DYSKINESIA | 53 |
| URINARY TRACT INFECTION | 53 |
| SOMNOLENCE | 52 |
| INVESTIGATION | 49 |
| DYSKINESIA | 48 |
| CONDITION AGGRAVATED | 47 |
| DEHYDRATION | 45 |
| VOMITING | 45 |
| NAUSEA | 44 |
| PRESCRIBED OVERDOSE | 43 |
| DYSTONIA | 42 |
How to read tetrabenazine FAERS figures (WATCHLIST · DEATH-HEAVY · HOSP-MID)
FAERS holds 7,235 voluntary reports linked to tetrabenazine (Xenazine), 2004-2025. Death is listed on 1,527 (21.1%). Hospitalization appears on 1,469 (20.3%). Top co-reported indication: Huntington^S Disease.
Sparse extract - named reactions and SEX-BALANCED skew still differ by drug; not a complete safety profile.
Read with tetrabenazine
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 7,215 FAERS cases (Δ 20 lighter vs tetrabenazine); DEATH-HEAVY · HOSP-MID · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 7,188 FAERS cases (Δ 47 lighter vs tetrabenazine); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 7,180 FAERS cases (Δ 55 lighter vs tetrabenazine); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 7,348 FAERS cases (Δ 113 heavier vs tetrabenazine); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 41.0 pp vs tetrabenazine's DEATH-HEAVY): CASELOAD · HOSP-MID.
tetrabenazine stamps DEATH-HEAVY · HOSP-MID; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload WATCHLIST and the label guide.