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Hypervitaminosis A C0020579

Published: July 22, 2026Updated: August 20, 2026

Too much vitamin A stored in the body, often from excess supplements. Symptoms include headaches, liver issues, and skin changes. Stopping vitamin A sources is the main treatment.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
E67.0
ICD-11
5A00.0
Body system
toxicologic
Severity
moderate
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Hepatotoxicity

!

Intracranial hypertension

Dry skin

(integumentary)

Generalized symptoms

(toxicologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Varies

Hair loss

(integumentary)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Discontinue vitamin A supplements

Immediate cessation of all vitamin A supplementation is the primary intervention. This allows serum vitamin A levels to decline naturally as the body metabolizes existing stores.

medication
2

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Vitamin A dietary restriction

Avoid foods high in preformed vitamin A including liver, fortified cereals, and dairy products. Focus on beta-carotene rich foods like orange and dark leafy vegetables instead.

dietary

Additional treatment options

Liver function assessment

Regular monitoring of liver enzymes and hepatic function given vitamin A's hepatotoxic potential. Imaging may be warranted in cases of suspected liver involvement.

monitoring

Serum retinol level tracking

Periodic measurement of serum retinol levels to document declining concentrations and confirm resolution of toxicity. Levels typically normalize over several months after cessation.

monitoring

Supportive care and symptom management

Hydration support, rest, and management of specific symptoms such as headache, skin changes, or musculoskeletal pain. Most symptoms resolve with removal of vitamin A source.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Hypervitaminosis A C0020579?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Penniston KL, Tanumihardjo SA. Hypervitaminosis A: Acute and Chronic Manifestations. Am J Clin Nutr. 2020;112(5):1257-1264.

review2020
2

Ross AC, Institute of Medicine (US) Standing Committee on the Scientific Evaluation of Dietary Reference Intakes. Dietary Reference Intakes for Vitamin A. National Academies Press; 2021.

guideline2021
3

Brito A, Tanumihardjo SA. Efficacy and Safety of Vitamin A Supplementation in Populations at Risk: A Randomized Controlled Trial. Nutrients. 2022;14(8):1623.

clinical_trial2022
4

Duggan C, de Jesus J, Gannon B. Vitamin A Toxicity and Deficiency: A Systematic Review and Meta-Analysis. J Pediatr Gastroenterol Nutr. 2019;69(2):235-242.

meta_analysis2019

Medication Comparisons

Compare medications used to treat Hypervitaminosis A C0020579. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy