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Prevalence of vitamin A deficiency. Source: WHO
The major cause is diets which include few animal sources of pre-formed vitamin A. Breast milk of a lactating mother with vitamin A deficiency contains little vitamin A, which provides a breast-fed child with too little vitamin A.
In addition to dietary problems, there are other causes of vitamin A deficiency. Iron deficiency can affect vitamin A uptake. Excess alcohol consumption can deplete vitamin A, and a stressed liver may be more susceptible to vitamin A toxicity. People who consume large amounts of alcohol should seek medical advice before taking vitamin A supplements. In general, people should also seek medical advice before taking vitamin A supplements if they have any condition associated with fat malabsorption such as pancreatitis, cystic fibrosis, tropical sprue & biliary obstruction.
What else can I help you with?
How is vitamin A deficiency treated?
Vitamin A deficiency can be prevented or treated by taking vitamin supplements or by getting injections of the vitamin.
What does vitamin K deficiency occur?
Newborns are especially prone to vitamin K deficiency
Is vitamin K deficiency common in adults?
Vitamin K deficiency in adults is rare
What does vitamin A deficiency occur?
Vitamin A deficiency occurs with the chronic consumption of diets that are deficient in both vitamin A and beta-carotene.
Can you have both iron-deficiency anemia and vitamin B12 anemia?
i guess so but then it would be called deficiency anemia because you are lacking nutrition
Why is scurvy caused?
Prolonged deficiency of vitamin c causes scurvy.
What is the cause of anemia night blindness and rickets?
Anaemia is a deficiency of iron, night blindness is a deficiency if vitamin A and rickets is a deficiency of vitamin D.
What is the difference between primary and secondary vitamin deficiency?
what is the difference between primary and seconday vitamin deficiency
Which vitamin deficiency causes massive hemorrhaging in infants?
Vitamin K deficiency can cause massive hemorrhaging in infants due to impaired blood clotting. This deficiency can occur because newborns have lower levels of vitamin K, which is needed for proper blood coagulation. Infants are typically given a vitamin K injection shortly after birth to prevent this deficiency.
What is the deficiency of vitamin B1?
beri-beri is the deficiency of vitaminb1
What is the deficiency disease of vitamin a?
Deficiency disease is night blindness.
What is a deficiency disease of vitamin a?
Deficiency disease is night blindness.
