For intramuscular use. I. Adults 100,000 Units daily for three days followed by 50,000 daily for two weeks. II. Pediatric patients 1 to 8 years old 17,500 to 35,000 Units daily for 10 days. III. Infants 7,500 to 15,000 Units daily for 10 days. Follow-up therapy with an oral therapeutic multivitamin preparation, containing 10,000 to 20,000 Units vitamin A for adults and for pediatric patients over 8 years old, and 5,000 to 10,000 Units for infants and other pediatric patients under 8 years old, is recommended daily for two months. Low birth-weight infants may require additional vitamin A though the exact dosing in these pediatric patients has not been established. In malabsorption, the parenteral route must be used for an equivalent preparation. Poor dietary habits should be corrected and an abundant and well-balanced dietary intake should be prescribed.