Hypervitaminosis A

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(Redirected from Vitamin A toxicity)

Hypervitaminosis A[edit | edit source]

Vitamin A supplements, a common cause of Hypervitaminosis A.

Hypervitaminosis A refers to abnormally high storage levels of vitamin A in the body, leading to toxicity. This condition can cause a range of symptoms including headache, blurred vision, nausea, vomiting, and dizziness. In severe cases, it can also lead to birth defects.

Causes[edit | edit source]

The primary cause of Hypervitaminosis A is the excessive intake of vitamin A, either through diet or more commonly through overuse of supplements.

Dietary Sources[edit | edit source]

Foods rich in Vitamin A.

High intake of foods rich in vitamin A, such as liver, can contribute to elevated levels, though this is less common than supplement-induced toxicity.

Supplements[edit | edit source]

A bottle of Vitamin A supplements.

Overuse of vitamin A supplements is the most common cause of Hypervitaminosis A.

Symptoms[edit | edit source]

Symptoms of vitamin A toxicity include:

Diagnosis[edit | edit source]

Diagnosis involves a review of dietary and supplement intake, blood tests to measure vitamin A levels, and assessment of symptoms.

Treatment[edit | edit source]

Treatment focuses on discontinuing excess vitamin A intake. In severe cases, medical intervention may be necessary.

Prevention[edit | edit source]

Prevention involves:

  • Adhering to recommended dietary allowances for vitamin A
  • Avoiding large doses of vitamin A supplements
  • Being aware of vitamin A content in prescribed medications

External Links[edit | edit source]

Hypervitaminosis A Resources
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