HIGH-VOLUME · HOSP-HEAVY
sildenafil Side Effects
sildenafil (also sold as Viagra, Revatio) is HIGH-VOLUME in this FAERS book #134 of 524 by FAERS report count. Signature opener: HOSP-HEAVY - 44.5% mention hospitalization (24,609 reports).
Data updated 2026-05-15
- 55,325
- FAERS reports
FAERS voluntary reports, 2004 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.
sildenafil: 44.5% mention hospitalization (24,609 reports). Death stamp DEATH-HEAVY; volume band HIGH-VOLUME #134 of 524 by FAERS report count.
High-report extract for sildenafil (Viagra): 55,325 FAERS rows (2004-2025). Top named reactions: DYSPNOEA, HEADACHE, DIARRHOEA. Outcome stamps DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED. FAERS is voluntary signal detection, not incidence.
Counts from the openFDA FAERS extract (2004–2025). Stamps CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
DYSPNOEA leads 7,729 of 55,325 reports
Who reports · age peak 45-64 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 45-64 (14,106 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (8,392 reports, 15.2%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 3,847 |
| DYSPNOEA | 1,119 |
| PULMONARY ARTERIAL HYPERTENSION | 739 |
| PULMONARY HYPERTENSION | 587 |
| PNEUMONIA | 530 |
| RIGHT VENTRICULAR FAILURE | 520 |
| CONDITION AGGRAVATED | 514 |
| RESPIRATORY FAILURE | 472 |
| CARDIAC FAILURE | 432 |
| DISEASE PROGRESSION | 428 |
| HYPOTENSION | 419 |
| DIARRHOEA | 403 |
| CARDIAC ARREST | 385 |
| HEADACHE | 366 |
| NAUSEA | 339 |
| FATIGUE | 328 |
| FLUID RETENTION | 315 |
| OXYGEN SATURATION DECREASED | 305 |
| HYPOXIA | 277 |
| MALAISE | 269 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (24,609, 44.5% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| DYSPNOEA | 4,962 |
| HEADACHE | 2,343 |
| PNEUMONIA | 2,313 |
| DIARRHOEA | 2,176 |
| NAUSEA | 1,955 |
| FATIGUE | 1,669 |
| HYPOTENSION | 1,579 |
| FLUID RETENTION | 1,540 |
| DIZZINESS | 1,456 |
| PULMONARY ARTERIAL HYPERTENSION | 1,395 |
| VOMITING | 1,391 |
| DEATH | 1,288 |
| COUGH | 1,240 |
| OXYGEN SATURATION DECREASED | 1,188 |
| CONDITION AGGRAVATED | 1,159 |
| MALAISE | 1,143 |
| CHEST PAIN | 1,141 |
| PULMONARY HYPERTENSION | 1,141 |
| HOSPITALISATION | 1,126 |
| FALL | 1,102 |
How to read sildenafil FAERS figures (CASELOAD · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 55,325 voluntary reports linked to sildenafil (Viagra, Revatio), 2004-2025. Death is listed on 8,392 (15.2%). Hospitalization appears on 24,609 (44.5%). Top co-reported indication: Pulmonary Arterial Hypertension.
CASELOAD books overweight common drugs and loud reporting cultures; HOSP-HEAVY is the page opener, not a per-patient risk.
Read with sildenafil
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 55,389 FAERS cases (Δ 64 heavier vs sildenafil); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 55,549 FAERS cases (Δ 224 heavier vs sildenafil); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 55,714 FAERS cases (Δ 389 heavier vs sildenafil); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 55,835 FAERS cases (Δ 510 heavier vs sildenafil); DEATH-HEAVY · HOSP-MID · FEMALE-LED vs this page's CASELOAD · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 46.9 pp vs sildenafil's DEATH-HEAVY): CASELOAD · HOSP-MID.
sildenafil stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload CASELOAD and the label guide.