MID-VOLUME · HOSP-HEAVY
ascorbic acid Side Effects
ascorbic acid (also sold as Vitamin C) sits MID-VOLUME #224 of 524 by FAERS report count. Lead signal: HOSP-HEAVY - 40.0% mention hospitalization (9,031 reports). Demographics and serious-outcome tables follow.
Data updated 2026-05-15
- 22,556
- FAERS reports
FDA Adverse Event Reporting System extract for ascorbic acid. Stamp set WATCHLIST · DEATH-HEAVY · HOSP-HEAVY. How figures are compiled.
ascorbic acid: 40.0% mention hospitalization (9,031 reports). Death stamp DEATH-HEAVY; volume band MID-VOLUME #224 of 524 by FAERS report count.
Mid-book FAERS page for ascorbic acid (Vitamin C) (22,556 reports). Signature HOSP-HEAVY. Dominant age band on file: 45-64. Educational reference only.
Counts from the openFDA FAERS extract (1999–2025). Stamps WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
FATIGUE leads 2,275 of 22,556 reports
Who reports · age peak 45-64 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 45-64 (4,829 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (2,511 reports, 11.1%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 556 |
| VOMITING | 420 |
| DYSPNOEA | 400 |
| FATIGUE | 392 |
| GENERAL PHYSICAL HEALTH DETERIORATION | 385 |
| NAUSEA | 375 |
| HYPERTENSION | 362 |
| CONDITION AGGRAVATED | 361 |
| DIARRHOEA | 353 |
| PAIN | 330 |
| PNEUMONIA | 330 |
| DRY MOUTH | 315 |
| PYREXIA | 314 |
| DRUG HYPERSENSITIVITY | 307 |
| HEADACHE | 300 |
| RHEUMATOID ARTHRITIS | 297 |
| ASTHENIA | 295 |
| RASH | 295 |
| CONFUSIONAL STATE | 294 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (9,031, 40.0% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| NAUSEA | 1,002 |
| DYSPNOEA | 994 |
| PAIN | 991 |
| FATIGUE | 978 |
| DIARRHOEA | 891 |
| VOMITING | 826 |
| ASTHENIA | 805 |
| PNEUMONIA | 798 |
| PYREXIA | 725 |
| FALL | 700 |
| HYPERTENSION | 657 |
| HEADACHE | 652 |
| DIZZINESS | 628 |
| ARTHRALGIA | 623 |
| CONDITION AGGRAVATED | 577 |
| CHEST PAIN | 547 |
| PAIN IN EXTREMITY | 540 |
| MALAISE | 539 |
How to read ascorbic acid FAERS figures (WATCHLIST · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 22,556 voluntary reports linked to ascorbic acid (Vitamin C), 1999-2025. Death is listed on 2,511 (11.1%). Hospitalization appears on 9,031 (40.0%). Top co-reported indication: Product Used For Unknown Indication.
Mid-volume extract - treat DEATH-HEAVY · HOSP-HEAVY as signal-detection rates next to 40.0% mention hospitalization (9,031 reports).
Read with ascorbic acid
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 22,750 FAERS cases (Δ 194 heavier vs ascorbic acid); DEATH-HEAVY · HOSP-MID · FEMALE-LED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 22,775 FAERS cases (Δ 219 heavier vs ascorbic acid); DEATH-MARKED · HOSP-MID · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 22,227 FAERS cases (Δ 329 lighter vs ascorbic acid); DEATH-HEAVY · HOSP-MID · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 23,037 FAERS cases (Δ 481 heavier vs ascorbic acid); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 51.0 pp vs ascorbic acid's DEATH-HEAVY): CASELOAD · HOSP-MID.
ascorbic acid stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload WATCHLIST and the label guide.