HIGH-VOLUME · SEX-BALANCED

folic acid Side Effects

folic acid (also sold as Folvite) is HIGH-VOLUME in this FAERS book #21 of 524 by FAERS report count. Signature opener: SEX-BALANCED - 68% of sex-coded reports are female (152,545 F / 70,365 M).

Data updated 2026-05-15

241,433
FAERS reports

FAERS voluntary reports, 2003 to 2025. High volume tracks exposure and reporting culture; see methodology for de-dup rules.

folic acid reporting skew - 68% of sex-coded reports are female (152,545 F / 70,365 M). Volume band HIGH-VOLUME #21 of 524 by FAERS report count; caseload MEGA-CASE.

High-report extract for folic acid (Folvite): 241,433 FAERS rows (2003-2025). Top named reactions: FATIGUE, PAIN, ARTHRALGIA. 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.

FATIGUE leads 23,332 of 241,433 reports

FATIGUE
23,332
PAIN
23,054
ARTHRALGIA
19,495
RHEUMATOID ARTHRITIS
17,528
NAUSEA
15,633
HEADACHE
14,211
DIARRHOEA
14,142
RASH
13,595
DYSPNOEA
13,157
ALOPECIA
11,667
ABDOMINAL DISCOMFORT
11,665
JOINT SWELLING
11,529
CONDITION AGGRAVATED
11,126
VOMITING
10,810
PNEUMONIA
10,795
PYREXIA
10,612
PAIN IN EXTREMITY
10,574
SYSTEMIC LUPUS ERYTHEMATOSUS
9,863

Who reports · age peak 45-64 (SEX-BALANCED)

Sex coding · SEX-BALANCED

Female 152,545 (68%)
Male 70,365 (32%)
Unknown 340

Age peak 45-64 (61,818 reports)

0-17 5,548 (3%)
18-44 31,217 (20%)
45-64 61,818 (39%)
65-74 35,410 (22%)
75+ 25,879 (16%)

FAERS filings rising toward 2025

2003 2025

Reactions in Death Reports

Death-mentioned subset is HEAVY here (22,144 reports, 9.2%). Top co-reported reactions in that subset - voluntary, not causal.

Reaction Reports
DEATH 5,981
PNEUMONIA 2,632
GENERAL PHYSICAL HEALTH DETERIORATION 2,540
FATIGUE 2,504
DIARRHOEA 2,332
VOMITING 2,210
DYSPNOEA 2,194
RHEUMATOID ARTHRITIS 2,150
RASH 2,134
HYPERTENSION 2,133
SYSTEMIC LUPUS ERYTHEMATOSUS 2,117
TYPE 2 DIABETES MELLITUS 2,082
PAIN 2,077
HYPOAESTHESIA 2,027
GLOSSODYNIA 2,014
INFUSION RELATED REACTION 2,006
DUODENAL ULCER PERFORATION 1,998
ARTHRALGIA 1,997
FIBROMYALGIA 1,992

Reactions in Hospitalization Reports

Hospitalization is HEAVY (87,188, 36.1% of the book). Top reactions in those rows:

Reaction Reports
FATIGUE 7,987
PNEUMONIA 7,501
PAIN 7,490
DYSPNOEA 7,236
ARTHRALGIA 6,934
DIARRHOEA 6,899
NAUSEA 6,613
PYREXIA 6,481
VOMITING 6,128
FALL 5,610
RHEUMATOID ARTHRITIS 5,556
HEADACHE 5,140
ASTHENIA 5,132
RASH 5,102
CONDITION AGGRAVATED 4,886
MALAISE 4,867
DIZZINESS 4,620
GENERAL PHYSICAL HEALTH DETERIORATION 4,163
How to read folic acid FAERS figures (MEGA-CASE · DEATH-HEAVY · HOSP-HEAVY)

FAERS holds 241,433 voluntary reports linked to folic acid (Folvite), 2003-2025. Death is listed on 22,144 (9.2%). Hospitalization appears on 87,188 (36.1%). Top co-reported indication: Product Used For Unknown Indication.

MEGA-CASE books overweight common drugs and loud reporting cultures; SEX-BALANCED is the page opener, not a per-patient risk.

Read with folic acid

Peers ranked by ABS(total_reports), then an ABS(death_share) pole; guide hop follows DEATH-HEAVY · HOSP-HEAVY stamps.