VITAMIN A

60/100 · Moderate

Manufactured by CAUSE FOR CHANGE LLC

Moderate Safety Concerns with Vitamin A Supplementation

19,850 FDA adverse event reports analyzed

Last updated: 2026-05-12

About VITAMIN A

VITAMIN A is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by CAUSE FOR CHANGE LLC. Based on analysis of 19,850 FDA adverse event reports, VITAMIN A has a safety score of 60 out of 100. This moderate score indicates a notable volume of adverse event reports that patients and providers should be aware of. The most commonly reported adverse reactions for VITAMIN A include FATIGUE, NAUSEA, DRUG INEFFECTIVE, PAIN, HEADACHE. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for VITAMIN A.

AI Safety Analysis

Vitamin A has a safety concern score of 60 out of 100, placing it in the elevated concern category based on analysis of FDA adverse event data. The FDA has received approximately 19,850 adverse event reports for this medication, which is primarily manufactured by Cause For Change Llc.

The most commonly reported adverse events include Fatigue, Nausea, Drug Ineffective. Of classified reports, 66.8% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. Fatigue and nausea are the most commonly reported adverse events.

A significant portion of reported reactions are serious, with 66.8% classified as such. The diversity of reactions indicates a broad range of potential side effects. The majority of reports come from adults, with the highest concentration in the 60-70 age range.

Patients taking Vitamin A should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Vitamin A should not be used off-label without medical supervision, as it can cause serious adverse events. Patients should be monitored for signs of respiratory and gastrointestinal issues. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 60/100

Vitamin A received a safety concern score of 60/100 (elevated concern). This is based on a 66.8% serious event ratio across 6,023 classified reports. The score accounts for 19,850 total adverse event reports and 100 distinct reaction types. This elevated score indicates a notable proportion of serious adverse events and warrants careful monitoring.

Top Adverse Reactions

FATIGUE585 reports
NAUSEA540 reports
DRUG INEFFECTIVE489 reports
PAIN474 reports
HEADACHE451 reports
DIARRHOEA446 reports
OFF LABEL USE432 reports
DYSPNOEA398 reports
ARTHRALGIA386 reports
DIZZINESS347 reports
VOMITING332 reports
ASTHENIA310 reports
RASH289 reports
MALAISE286 reports
WEIGHT DECREASED269 reports
PAIN IN EXTREMITY265 reports
GASTROOESOPHAGEAL REFLUX DISEASE259 reports
FALL256 reports
PRURITUS245 reports
INSOMNIA244 reports
CONDITION AGGRAVATED241 reports
DECREASED APPETITE238 reports
PNEUMONIA227 reports
SOMNOLENCE227 reports
PYREXIA224 reports
INFUSION RELATED REACTION223 reports
RHEUMATOID ARTHRITIS222 reports
HYPOAESTHESIA219 reports
DRUG HYPERSENSITIVITY214 reports
WEIGHT INCREASED213 reports
SWELLING206 reports
ALOPECIA205 reports
ABDOMINAL PAIN UPPER203 reports
CONFUSIONAL STATE197 reports
MUSCLE SPASMS197 reports
DEPRESSION195 reports
BACK PAIN192 reports
NASOPHARYNGITIS187 reports
DRUG INTOLERANCE186 reports
SLEEP DISORDER186 reports
PRODUCT USE IN UNAPPROVED INDICATION181 reports
HYPERTENSION179 reports
PARAESTHESIA177 reports
PRODUCT USE ISSUE175 reports
ABDOMINAL DISCOMFORT174 reports
MEMORY IMPAIRMENT170 reports
ABDOMINAL PAIN165 reports
PERIPHERAL SWELLING165 reports
COUGH163 reports
ANXIETY160 reports
SYNOVITIS160 reports
SYSTEMIC LUPUS ERYTHEMATOSUS160 reports
WOUND160 reports
GAIT DISTURBANCE159 reports
OSTEOARTHRITIS159 reports
CONSTIPATION158 reports
CHEST PAIN157 reports
TYPE 2 DIABETES MELLITUS156 reports
TREATMENT FAILURE154 reports
DYSPEPSIA153 reports
JOINT SWELLING152 reports
URTICARIA152 reports
PSORIATIC ARTHROPATHY151 reports
GASTROINTESTINAL DISORDER148 reports
PEMPHIGUS145 reports
FEELING ABNORMAL138 reports
HYPERSENSITIVITY138 reports
C REACTIVE PROTEIN ABNORMAL137 reports
DEATH137 reports
C REACTIVE PROTEIN INCREASED136 reports
ILL DEFINED DISORDER132 reports
MOBILITY DECREASED131 reports
RHEUMATIC FEVER131 reports
THERAPEUTIC PRODUCT EFFECT INCOMPLETE131 reports
HEPATIC ENZYME INCREASED130 reports
STOMATITIS130 reports
BLOOD PRESSURE INCREASED129 reports
GENERAL PHYSICAL HEALTH DETERIORATION129 reports
PERICARDITIS129 reports
DRY MOUTH127 reports
ARTHROPATHY124 reports
MIGRAINE124 reports
INJECTION SITE REACTION123 reports
ABDOMINAL DISTENSION122 reports
MUSCULAR WEAKNESS121 reports
SINUSITIS121 reports
CONTUSION120 reports
INFECTION120 reports
BLOOD CHOLESTEROL INCREASED118 reports
COMA116 reports
OEDEMA PERIPHERAL116 reports
THERAPEUTIC PRODUCT EFFECT DECREASED116 reports
CONTRAINDICATED PRODUCT ADMINISTERED115 reports
ONYCHOMADESIS113 reports
URINARY TRACT INFECTION112 reports
INJURY110 reports
INTENTIONAL PRODUCT USE ISSUE109 reports
LUNG DISORDER109 reports
MUSCULOSKELETAL PAIN109 reports
PNEUMONIA ASPIRATION109 reports

Key Safety Signals

  • Frequent reports of fatigue and nausea suggest these may be common side effects.
  • A high percentage of serious reactions indicates potential for severe adverse events.
  • A wide range of reactions, including respiratory and gastrointestinal issues, suggests a complex safety profile.
  • Reports of conditions like pneumonia and systemic lupus erythematosus raise concerns about potential immune system impacts.

Patient Demographics

Adverse event reports by sex: Female: 3,855, Male: 1,582, Unknown: 3. The most frequently reported age groups are age 64 (179 reports), age 43 (158 reports), age 40 (155 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 6,023 classified reports for VITAMIN A:

  • Serious: 4,023 reports (66.8%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 2,000 reports (33.2%)
Serious 66.8%Non-Serious 33.2%

The FDA classifies an adverse event as “serious” if it results in death, hospitalization, disability, congenital anomaly, or requires intervention to prevent permanent damage.

Demographics Breakdown

Reports by Sex

Female3,855 (70.9%)
Male1,582 (29.1%)
Unknown3 (0.1%)

Reports by Age

Age 64179 reports
Age 43158 reports
Age 40155 reports
Age 65104 reports
Age 7597 reports
Age 7091 reports
Age 5988 reports
Age 6988 reports
Age 6084 reports
Age 6283 reports
Age 5380 reports
Age 6880 reports
Age 6179 reports
Age 7179 reports
Age 6776 reports
Age 5675 reports
Age 5775 reports
Age 7674 reports
Age 6667 reports
Age 5866 reports

Demographics reflect voluntary FDA adverse event reporting patterns and may not represent the full patient population.

Drug Interactions & Warnings

Vitamin A should not be used off-label without medical supervision, as it can cause serious adverse events. Patients should be monitored for signs of respiratory and gastrointestinal issues.

What You Should Know

If you are taking Vitamin A, here are important things to know. The most commonly reported side effects include fatigue, nausea, drug ineffective, pain, headache. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Follow prescribed dosages and consult a healthcare provider before using Vitamin A supplements, especially if you have pre-existing conditions. Report any unusual symptoms to your healthcare provider promptly. If you experience a serious adverse reaction, seek emergency medical attention immediately or call 911. You can report side effects to the FDA's MedWatch program at 1-800-FDA-1088.

Regulatory Context

The FDA closely monitors Vitamin A safety, and any unusual symptoms should be reported to healthcare providers. Patients should follow prescribed dosages and consult with a healthcare professional before using Vitamin A supplements.

Frequently Asked Questions

How many adverse event reports has the FDA received for Vitamin A?

The FDA has received approximately 19,850 adverse event reports associated with Vitamin A. These reports come from healthcare professionals, consumers, and manufacturers through the FDA Adverse Event Reporting System (FAERS). Note that the number of reports does not directly indicate the frequency of side effects, as adverse events are voluntarily reported and may be underrepresented.

What are the most commonly reported side effects of Vitamin A?

The most frequently reported adverse events for Vitamin A include Fatigue, Nausea, Drug Ineffective, Pain, Headache. By volume, the top reported reactions are: Fatigue (585 reports), Nausea (540 reports), Drug Ineffective (489 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Vitamin A.

What percentage of Vitamin A adverse event reports are serious?

Out of 6,023 classified reports, 4,023 (66.8%) were classified as serious and 2,000 as non-serious. The FDA classifies an event as "serious" if it results in death, hospitalization, disability, or other medically significant outcomes. A higher serious-event ratio warrants closer attention but does not necessarily mean the drug is unsafe.

Who reports adverse events for Vitamin A (by sex)?

Adverse event reports for Vitamin A break down by patient sex as follows: Female: 3,855, Male: 1,582, Unknown: 3. This distribution reflects reporting patterns rather than actual risk differences between groups. Reporting rates can be influenced by prescribing patterns, disease demographics, and reporting behavior.

What age groups report the most side effects for Vitamin A?

The most frequently reported age groups for Vitamin A adverse events are: age 64: 179 reports, age 43: 158 reports, age 40: 155 reports, age 65: 104 reports, age 75: 97 reports. Age-related reporting patterns can reflect both the demographics of the patient population and potential age-related susceptibility to certain side effects.

Who manufactures Vitamin A?

The primary manufacturer associated with Vitamin A adverse event reports is Cause For Change Llc. Multiple manufacturers may produce generic versions of this drug. The manufacturer listed reflects the most frequently reported brand in FDA adverse event data.

What other side effects have been reported for Vitamin A?

Beyond the most common reactions, other reported adverse events for Vitamin A include: Diarrhoea, Off Label Use, Dyspnoea, Arthralgia, Dizziness. Less common side effects can still be clinically significant. Patients should report any unusual symptoms to their healthcare provider.

How do I report a side effect from Vitamin A?

You can report adverse events from Vitamin A to the FDA through their MedWatch program at www.fda.gov/medwatch, by calling 1-800-FDA-1088, or by completing Form FDA 3500. Healthcare professionals, consumers, and manufacturers can all submit reports. Reporting helps the FDA monitor drug safety after approval.

What is Vitamin A's safety score and what does it mean?

Vitamin A has a safety concern score of 60 out of 100 (elevated concern). This score is calculated from the ratio of serious to non-serious adverse events, the diversity of reported reactions, and the overall volume of reports relative to usage. Fatigue and nausea are the most commonly reported adverse events.

What are the key safety signals for Vitamin A?

Key safety signals identified in Vitamin A's adverse event data include: Frequent reports of fatigue and nausea suggest these may be common side effects.. A high percentage of serious reactions indicates potential for severe adverse events.. A wide range of reactions, including respiratory and gastrointestinal issues, suggests a complex safety profile.. Reports of conditions like pneumonia and systemic lupus erythematosus raise concerns about potential immune system impacts.. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Vitamin A interact with other drugs?

Vitamin A should not be used off-label without medical supervision, as it can cause serious adverse events. Patients should be monitored for signs of respiratory and gastrointestinal issues. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Vitamin A.

What should patients know before taking Vitamin A?

Follow prescribed dosages and consult a healthcare provider before using Vitamin A supplements, especially if you have pre-existing conditions. Report any unusual symptoms to your healthcare provider promptly.

Are Vitamin A side effects well-documented?

Vitamin A has 19,850 adverse event reports on file with the FDA. A significant portion of reported reactions are serious, with 66.8% classified as such. The volume of reports for Vitamin A reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Vitamin A?

The FDA closely monitors Vitamin A safety, and any unusual symptoms should be reported to healthcare providers. Patients should follow prescribed dosages and consult with a healthcare professional before using Vitamin A supplements. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

Related Drugs

Drugs related to VITAMIN A based on therapeutic use, drug class, or shared indications:

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Important Disclaimer: This content is generated by AI analysis of FDA adverse event reports and is provided for informational purposes only. It is not medical advice. Adverse event reports submitted to the FDA do not prove that a medication caused the reported side effect. Always consult your healthcare provider before starting, stopping, or changing any medication. If you experience a serious side effect, contact your doctor or call 911 immediately.