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  3. Vitamin A Chewable Tablet 10's
  4. Health Queries for Vitamin A Chewable Tablet 10's

  5. A dermatologist prescribed Vitamin A 50,000 IU chewable tablets twice daily for hair loss. The course was for 15 days, but I continued it for 22 days. I read that high doses of Vitamin A may not be safe. Should I be concerned about this dose?

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A dermatologist prescribed Vitamin A 50,000 IU chewable tablets twice daily for hair loss. The course was for 15 days, but I continued it for 22 days. I read that high doses of Vitamin A may not be safe. Should I be concerned about this dose?

Asked by Female, 45 · 3 months ago

Dr Bayyarapu Kumar

Dr Bayyarapu Kumar

M Pharmacy

3 months ago

Vitamin A supports healthy hair, skin, and vision, but excessive intake can be unsafe. The recommended daily intake for adults is around 2,300–3,000 IU, while the maximum safe long-term limit is about 10,000 IU per day. Doctors may prescribe high-dose Vitamin A (50,000 IU tablets) for short-term medical use under supervision, but taking 50,000 IU twice daily (100,000 IU per day) for longer than advised increases the risk of Vitamin A toxicity. Possible symptoms include headache, dizziness, fatigue, dry skin, nausea, liver issues, and in some cases, worsening hair loss. Since you have exceeded the prescribed duration (22 days instead of 15), it’s best to stop the supplement and consult your dermatologist or physician for review and further guidance. Future Vitamin A use should always be within the prescribed duration and dose.
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What are the signs of Vitamin A toxicity?Should I stop taking Vitamin A now?How long is safe to take high-dose Vitamin A?Can high-dose Vitamin A cause liver problems?What are safer alternatives for hair loss?

It’s important to understand the safety aspects of taking high-dose Vitamin A for hair loss.

  1. Understanding Vitamin A Dosage and Forms

    • Vitamin A doses are measured in International Units (IU). The typical daily recommended intake for adults is much lower than 50,000 IU. Such high doses are usually reserved for short-term therapeutic use under medical supervision.
    • The chewable tablets you are taking contain 50,000 IU each, which is significantly above the daily recommended amount.

  2. Safety Concerns with High-Dose Vitamin A

    • Prolonged intake of high doses can lead to hypervitaminosis A (Vitamin A toxicity). This condition may cause symptoms like headache, dizziness, nausea, skin changes, and in severe cases, liver damage.
    • Because Vitamin A is fat-soluble, it accumulates in the body, increasing the risk of toxicity if taken excessively or for too long.

  3. Duration and Monitoring

    • High-dose Vitamin A is generally recommended only for short periods (e.g., 15 days as initially prescribed). Extending beyond this without medical advice can be risky.
    • Regular monitoring by your dermatologist is important, and they may order blood tests, including liver function tests, to ensure safety.

  4. Alternatives and Complementary Approaches for Hair Loss

    • Dermatologists may also consider other treatments such as topical minoxidil, nutritional support, or addressing underlying causes like hormonal imbalances or scalp conditions.
    • It’s important to have a comprehensive evaluation to tailor treatment effectively.

  5. Recommendations

    • Please consult your dermatologist promptly about continuing Vitamin A beyond the initial period. Do not self-adjust the dose or duration.
    • Report any symptoms like headache, nausea, or skin changes immediately.

  6. Relevant Medical Specialties and Tests

    • Dermatology is the primary specialty managing your treatment. If concerns arise, endocrinology or hepatology (liver specialist) may be involved.
    • Liver function tests and Vitamin A blood levels might be necessary if high doses continue.

If you experience any concerning symptoms or have questions about your treatment, please reach out to your dermatologist for personalized advice.

Answered 3 months ago

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