HIGH-VOLUME · HOSP-MID
clonazepam Side Effects
clonazepam (also sold as Klonopin) is HIGH-VOLUME in this FAERS book #42 of 524 by FAERS report count. Signature opener: HOSP-MID - 29.7% mention hospitalization (46,031 reports).
Data updated 2026-05-15
- 155,147
- FAERS reports
FAERS voluntary reports, 2002 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.
clonazepam: 29.7% mention hospitalization (46,031 reports). Death stamp DEATH-HEAVY; volume band HIGH-VOLUME #42 of 524 by FAERS report count.
High-report extract for clonazepam (Klonopin): 155,147 FAERS rows (2002-2025). Top named reactions: FATIGUE, NAUSEA, ANXIETY. Outcome stamps DEATH-HEAVY · HOSP-MID · SEX-BALANCED. FAERS is voluntary signal detection, not incidence.
Counts from the openFDA FAERS extract (2002–2025). Stamps MEGA-CASE · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
FATIGUE leads 10,236 of 155,147 reports
Who reports · age peak 45-64 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 45-64 (42,428 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (18,179 reports, 11.7%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| COMPLETED SUICIDE | 4,873 |
| DEATH | 4,159 |
| TOXICITY TO VARIOUS AGENTS | 3,552 |
| CARDIAC ARREST | 1,504 |
| DRUG ABUSE | 1,409 |
| CARDIO-RESPIRATORY ARREST | 1,405 |
| RESPIRATORY ARREST | 1,092 |
| OVERDOSE | 969 |
| DRUG INTERACTION | 651 |
| PNEUMONIA | 592 |
| DEPRESSION | 502 |
| POISONING | 394 |
| PULMONARY OEDEMA | 377 |
| RESPIRATORY FAILURE | 371 |
| DYSPNOEA | 369 |
| HYPOTENSION | 363 |
| FALL | 352 |
| DRUG DEPENDENCE | 344 |
| UNRESPONSIVE TO STIMULI | 326 |
Reactions in Hospitalization Reports
Hospitalization mid-share (46,031, 29.7%). Co-reported reactions:
| Reaction | Reports |
|---|---|
| FALL | 3,372 |
| PNEUMONIA | 3,043 |
| ANXIETY | 3,014 |
| NAUSEA | 2,962 |
| DEPRESSION | 2,820 |
| DYSPNOEA | 2,787 |
| FATIGUE | 2,745 |
| PAIN | 2,701 |
| VOMITING | 2,676 |
| HEADACHE | 2,446 |
| DIARRHOEA | 2,330 |
| DIZZINESS | 2,124 |
| ASTHENIA | 2,095 |
| PYREXIA | 2,078 |
| DRUG INTERACTION | 2,015 |
| MALAISE | 1,974 |
| INSOMNIA | 1,891 |
| TOXICITY TO VARIOUS AGENTS | 1,838 |
How to read clonazepam FAERS figures (MEGA-CASE · DEATH-HEAVY · HOSP-MID)
FAERS holds 155,147 voluntary reports linked to clonazepam (Klonopin), 2002-2025. Death is listed on 18,179 (11.7%). Hospitalization appears on 46,031 (29.7%). Top co-reported indication: Product Used For Unknown Indication.
MEGA-CASE books overweight common drugs and loud reporting cultures; HOSP-MID is the page opener, not a per-patient risk.
Read with clonazepam
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 155,068 FAERS cases (Δ 79 lighter vs clonazepam); DEATH-MARKED · HOSP-LIGHT · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 157,236 FAERS cases (Δ 2,089 heavier vs clonazepam); DEATH-MARKED · HOSP-MID · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 150,998 FAERS cases (Δ 4,149 lighter vs clonazepam); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 165,585 FAERS cases (Δ 10,438 heavier vs clonazepam); DEATH-HEAVY · HOSP-MID · SEX-BALANCED vs this page's MEGA-CASE · DEATH-HEAVY · HOSP-MID · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 50.4 pp vs clonazepam's DEATH-HEAVY): CASELOAD · HOSP-MID.
clonazepam stamps DEATH-HEAVY · HOSP-MID; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload MEGA-CASE and the label guide.