Vitamin A (Systemic)

Brand name(s): "Aquasol A"

Proper Use of This Medicine

If you miss taking a vitamin for one or more days there is no cause for concern, since it takes some time for your body to become seriously low in vitamins. However, if your health care professional has recommended that you take this vitamin, try to remember to take it as directed every day.

Dosing-

The amount of vitamin A needed to meet normal daily recommended intakes will be different for different individuals. The following information includes only the average amounts of vitamin A. The combination of retinol and beta-carotene in the diet is based on 1980 U.S. Recommended Dietary Allowances (RDAs).

• For oral dosage form (capsules, tablets, oral solution):
  • To prevent deficiency, the amount taken by mouth is based on normal daily recommended intakes:
    For the U.S.
    • Adult and teenage males-1000 retinol equivalents (RE) (3330 Units of retinol or 5000 Units as a combination of retinol and beta-carotene) per day.
    • Adult and teenage females-800 RE (2665 Units of retinol or 4000 Units as a combination of retinol and beta-carotene) per day.
    • Pregnant females-800 RE (2665 Units of retinol or 4000 Units as a combination of retinol and beta-carotene) per day.
    • Breast-feeding females-1200 to 1300 RE (4000 to 4330 Units of retinol or 6000 to 6500 Units as a combination of retinol and beta-carotene) per day.
    • Children 7 to 10 years of age-700 RE (2330 Units of retinol or 3500 Units as a combination of retinol and beta-carotene) per day.
    • Children 4 to 6 years of age-500 RE (1665 Units of retinol or 2500 Units as a combination of retinol and beta-carotene) per day.
    • Children birth to 3 years of age-375 to 400 RE (1250 to 1330 Units of retinol or 1875 to 2000 Units as a combination of retinol and beta-carotene) per day.
    For Canada
    • Adult and teenage males-1000 RE (3330 Units of retinol or 5000 Units as a combination of retinol and beta-carotene) per day.
    • Adult and teenage females-800 RE (2665 Units of retinol or 4000 Units as a combination of retinol and beta-carotene) per day.
    • Pregnant females-900 RE (2665 to 3000 Units of retinol or 4000 to 4500 Units as a combination of retinol and beta-carotene) per day.
    • Breast-feeding females-1200 RE (4000 Units of retinol or 6000 Units as a combination of retinol and beta-carotene) per day.
    • Children 7 to 10 years of age-700 to 800 RE (2330 to 2665 Units of retinol or 3500 Units as a combination of retinol and beta-carotene) per day.
    • Children 4 to 6 years of age-500 RE (1665 Units of retinol or 2500 Units as a combination of retinol and beta-carotene) per day.
    • Children birth to 3 years of age-400 RE (1330 Units or 2000 Units as a combination of retinol and beta-carotene) per day.
  • To treat deficiency:
    • Adults and teenagers-Treatment dose is determined by prescriber for each individual based on severity of deficiency. The following dose has been determined for xerophthalmia (eye disease): Oral, 7500 to 15,000 RE (25,000 to 50,000 Units) a day.
    • Children-Treatment dose is determined by prescriber for each individual based of severity of deficiency. The following doses have been determined:
      • For measles-
        • Children 6 months to 1 year of age: Oral, 30,000 RE (100,000 Units) as a single dose.
        • For children 1 year of age and older: Oral, 60,000 RE (200,000 Units) as a single dose.
      • Xerophthalmia (eye disease)-
        • Children 6 months to 1 year of age: Oral, 30,000 RE (100,000 Units) as a single dose, the same dose being repeated the next day and again at 4 weeks.
        • Children 1 year of age and older: Oral, 60,000 RE (200,000 Units) as a single dose, the same dose being repeated the next day and again at 4 weeks.

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