Severe measles cases among children, such as those who are hospitalized, should be treated with vitamin A. Vitamin A should be administered immediately on diagnosis and repeated the next day. The recommended age-specific daily doses are
50,000 IU for infants younger than 6 months of age
100,000 IU for infants 6–11 months of age
200,000 IU for children 12 months of age and older