Answer:
DEFINITION
Vitamin A deficiency (VAD) or hypovitaminosis A is a lack of vitamin A in blood and tissues.
PREVENTION
The diet should include dark green leafy vegetables, deep- or bright-colored fruits (eg, papayas, oranges), carrots, and yellow vegetables (eg, squash, pumpkin).
Vitamin A–fortified milk and cereals, liver, egg yolks, and fish liver oils are helpful.
TREATMENT
Treatment for subclinical VAD includes the consumption of vitamin A–rich foods.
For VAD syndromes, treatment includes daily oral supplements, as follows: Children aged 3 years or younger - 600 mcg (2000 IU)
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