The dose is given orally once a day for 2 days and depends on the child's age: ≥ 12 months: 200, 000 international units (IU) 6 to 11 months: 100, 000 IU < 6 months: 50, 000 IU In children with clinical signs of vitamin Adeficiency, an additional single, age-specific dose of vitamin A is repeated 2 to 4 weeks later.