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Vitamin A Dosage

Medically reviewed by Drugs.com. Last updated on Apr 11, 2024.

Applies to the following strengths: 10000 intl units; 25000 units; 50000 units/mL; 50000 units; 8000 units; 25000 intl units

Usual Adult Dose for Vitamin A Deficiency

Initial dose: 100,000 Units intramuscularly once a day for 3 days
Maintenance dose: 50,000 Units intramuscularly once a day for 2 weeks

Use: Treatment of vitamin A deficiency when oral administration is not feasible or not available (e.g. anorexia, nausea, vomiting, pre- or post-operative conditions, "Malabsorption Syndrome" with accompanying steatorrhea)

Usual Adult Dose for Vitamin/Mineral Supplementation

US Recommended Dietary Allowance (RDA):

Adult male: 900 mcg retinol activity equivalents (RAE) (3000 international units [IU])
Tolerable Upper Intake Level (UL): 3000 mcg RAE (10,000 IU)

Adult female: 700 mcg RAE (2330 IU)
UL: 3000 mcg RAE (10,000 IU)

Comments:

Usual Pediatric Dose for Vitamin A Deficiency

Infants (under 1 year): 7500 to 15,000 Units intramuscularly once a day
Duration of therapy: 10 days

1 to 8 years: 17,500 to 35,000 Units intramuscularly once a day
Duration of therapy: 10 days

Adult dose:
Initial dose: 100,000 Units intramuscularly once a day for 3 days
Maintenance dose: 50,000 Units intramuscularly once a day for 2 weeks

Use: Treatment of vitamin A deficiency when oral administration is not feasible or not available (e.g. anorexia, nausea, vomiting, pre- or post-operative conditions, "Malabsorption Syndrome" with accompanying steatorrhea)

Usual Pediatric Dose for Vitamin/Mineral Supplementation

US Recommended Dietary Allowance (RDA):

0 to 6 months: 400 mcg retinol activity equivalents (RAE) (1332 international units [IU])
Tolerable Upper Intake Level (UL): 600 mcg RAE (2000 IU)

7 to 12 months: 500 mcg RAE (1665 IU)
UL: 600 mcg RAE (2000 IU)

1 to 3 years: 300 mcg RAE (1000 IU)
UL: 900 mcg RAE (3000 IU)

4 to 8 years: 400 mcg RAE (1332 IU)
UL: 900 mcg RAE (3000 IU)

9 to 13 years: 600 mcg RAE (2000 IU)
UL: 1700 mcg RAE (5667 IU)

14 to 18 years, male: 900 mcg RAE (3000 IU)
UL: 2800 mcg RAE (9333 IU)

14 to 18 years, female: 700 mcg RAE (2330 IU)
UL: 2800 mcg RAE (9333 IU)

Comments:

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Dose Adjustments

US Recommended Dietary Allowance (RDA):

Pregnancy:
14 to 18 years: 750 mcg retinol activity equivalents (RAE) (2500 international units [IU])
UL: 2800 mcg RAE (9333 IU)

18 to 50 years: 770 mcg RAE (2564 IU)
UL: 3000 mcg RAE (10,000 IU)

Lactation:
14 to 18 years: 1200 mcg RAE (2564 IU)
UL: 2800 mcg RAE (9333 IU)

18 to 50 years: 1300 mcg RAE (4329 IU)
UL: 3000 mcg RAE (10,000 IU)

Comments:

Precautions

CONTRAINDICATIONS:


Consult WARNINGS section for additional precautions.

Dialysis

Data not available

Frequently asked questions

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.