HIGH-VOLUME · HOSP-HEAVY
risperidone Side Effects
risperidone (also sold as Risperdal) is HIGH-VOLUME in this FAERS book #56 of 524 by FAERS report count. Signature opener: HOSP-HEAVY - 30.1% mention hospitalization (39,145 reports).
Data updated 2026-05-15
- 129,958
- FAERS reports
FAERS voluntary reports, 2003 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.
risperidone: 30.1% mention hospitalization (39,145 reports). Death stamp DEATH-HEAVY; volume band HIGH-VOLUME #56 of 524 by FAERS report count.
High-report extract for risperidone (Risperdal): 129,958 FAERS rows (2003-2025). Top named reactions: GYNAECOMASTIA, ABNORMAL WEIGHT GAIN, WEIGHT INCREASED. Outcome stamps DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED. FAERS is voluntary signal detection, not incidence.
Counts from the openFDA FAERS extract (2003–2025). Stamps MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
GYNAECOMASTIA leads 24,608 of 129,958 reports
Who reports · age peak 18-44 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 18-44 (26,227 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (9,958 reports, 7.7%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 2,327 |
| COMPLETED SUICIDE | 1,683 |
| TOXICITY TO VARIOUS AGENTS | 961 |
| CARDIAC ARREST | 490 |
| CARDIO-RESPIRATORY ARREST | 478 |
| PNEUMONIA | 451 |
| OVERDOSE | 404 |
| DRUG INTERACTION | 401 |
| FALL | 339 |
| SUDDEN DEATH | 320 |
| NEUROLEPTIC MALIGNANT SYNDROME | 281 |
| HYPOTENSION | 268 |
| MYOCARDIAL INFARCTION | 268 |
| DYSPNOEA | 264 |
| GENERAL PHYSICAL HEALTH DETERIORATION | 258 |
| SOMNOLENCE | 256 |
| PULMONARY EMBOLISM | 252 |
| RENAL FAILURE | 235 |
| DRUG ABUSE | 227 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (39,145, 30.1% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| DRUG INTERACTION | 2,528 |
| SOMNOLENCE | 1,892 |
| FALL | 1,800 |
| PSYCHOTIC DISORDER | 1,797 |
| HOSPITALISATION | 1,630 |
| NEUROLEPTIC MALIGNANT SYNDROME | 1,562 |
| CONFUSIONAL STATE | 1,555 |
| SUICIDE ATTEMPT | 1,551 |
| CONDITION AGGRAVATED | 1,541 |
| WEIGHT INCREASED | 1,530 |
| ANXIETY | 1,481 |
| TOXICITY TO VARIOUS AGENTS | 1,463 |
| AGGRESSION | 1,430 |
| SUICIDAL IDEATION | 1,380 |
| HYPOTENSION | 1,355 |
| EXTRAPYRAMIDAL DISORDER | 1,347 |
| OVERDOSE | 1,314 |
| PYREXIA | 1,301 |
How to read risperidone FAERS figures (MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 129,958 voluntary reports linked to risperidone (Risperdal), 2003-2025. Death is listed on 9,958 (7.7%). Hospitalization appears on 39,145 (30.1%). Top co-reported indication: Product Used For Unknown Indication.
MEGA-CASE books overweight common drugs and loud reporting cultures; HOSP-HEAVY is the page opener, not a per-patient risk.
Read with risperidone
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 130,791 FAERS cases (Δ 833 heavier vs risperidone); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 130,943 FAERS cases (Δ 985 heavier vs risperidone); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 131,653 FAERS cases (Δ 1,695 heavier vs risperidone); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 131,747 FAERS cases (Δ 1,789 heavier vs risperidone); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 54.4 pp vs risperidone's DEATH-HEAVY): CASELOAD · HOSP-MID.
risperidone stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload MEGA-CASE and the label guide.