LOW-VOLUME · HOSP-HEAVY
verapamil Side Effects
verapamil (also sold as Calan, Verelan) is a LOW-VOLUME FAERS extract #401 of 524 by FAERS report count. Still opens on HOSP-HEAVY: 45.2% mention hospitalization (1,908 reports).
Data updated 2026-05-15
- 4,224
- FAERS reports
Thinner FAERS book - still a temporal association ledger, not proof of cause. Methodology.
verapamil: 45.2% mention hospitalization (1,908 reports). Death stamp DEATH-HEAVY; volume band LOW-VOLUME #401 of 524 by FAERS report count.
Thinner FAERS extract for verapamil (Calan) (4,224 reports #401 of 524 by FAERS report count). 45.2% mention hospitalization (1,908 reports). Sparse books still carry named reaction rows when present; not medical advice.
Counts from the openFDA FAERS extract (2004–2025). Stamps SIGNAL · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
DYSPNOEA leads 356 of 4,224 reports
Who reports · age peak 75+ (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 75+ (1,003 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (927 reports, 21.9%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| COMPLETED SUICIDE | 224 |
| CARDIO-RESPIRATORY ARREST | 178 |
| NAUSEA | 168 |
| COMA | 163 |
| SEPSIS | 159 |
| TACHYCARDIA | 158 |
| HAEMORRHAGIC STROKE | 157 |
| DYSPNOEA | 153 |
| DIARRHOEA | 150 |
| ALTERED STATE OF CONSCIOUSNESS | 148 |
| FALL | 147 |
| ASCITES | 144 |
| DIZZINESS | 143 |
| PRURITUS | 142 |
| AMAUROSIS FUGAX | 141 |
| CHILLS | 141 |
| OCULAR DISCOMFORT | 141 |
| BLINDNESS | 140 |
| INSOMNIA | 140 |
| FATIGUE | 139 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (1,908, 45.2% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| HYPOTENSION | 216 |
| BRADYCARDIA | 158 |
| TOXICITY TO VARIOUS AGENTS | 146 |
| DRUG INTERACTION | 133 |
| DYSPNOEA | 121 |
| OVERDOSE | 104 |
| NAUSEA | 101 |
| ASTHENIA | 86 |
| ATRIAL FIBRILLATION | 85 |
| CARDIOGENIC SHOCK | 82 |
| INTENTIONAL OVERDOSE | 82 |
| ACUTE KIDNEY INJURY | 78 |
| DIZZINESS | 78 |
| VOMITING | 76 |
| FALL | 70 |
| RESPIRATORY FAILURE | 67 |
| FATIGUE | 66 |
| MALAISE | 66 |
| CARDIAC ARREST | 65 |
How to read verapamil FAERS figures (SIGNAL · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 4,224 voluntary reports linked to verapamil (Calan, Verelan), 2004-2025. Death is listed on 927 (21.9%). Hospitalization appears on 1,908 (45.2%). 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 verapamil
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 4,213 FAERS cases (Δ 11 lighter vs verapamil); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's SIGNAL · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 4,175 FAERS cases (Δ 49 lighter vs verapamil); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's SIGNAL · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 4,286 FAERS cases (Δ 62 heavier vs verapamil); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's SIGNAL · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 4,135 FAERS cases (Δ 89 lighter vs verapamil); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's SIGNAL · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 40.2 pp vs verapamil's DEATH-HEAVY): CASELOAD · HOSP-MID.
verapamil stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload SIGNAL and the label guide.