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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.
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Can you have necrosis on the eye?
yes of course when there is deficiency of vitamin A
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
Which vitamin deficiency causes massive hemorrhaging in infants?
The deficiency of Vitamin K or menaquinone.
Is vitamin K deficiency common in adults?
Vitamin K deficiency in adults is rare
What is the prognosis for vitamin B6 deficiency?
The prognosis for correcting vitamin B6 deficiency is excellent
List of deficiency diseases and their symptoms?
Rickets in children and osteomalacia are examples of deficiency diseases due to vitamin deficiency. Scurvy is an example of vitamin C deficiency. Beriberi is an example of vitamin B one deficiency. (Both, wet beriberi and dry beriberi.) Pellagra is an example of Niacin deficiency. Anemia is caused by deficiency of vitamin B 12 and Folic acid. Burning feet syndrome is caused by the deficiency of Pantothenic acid. Night blindness is caused by the deficiency of vitamin A. Kwashiorkor and marasmus are caused by deficiency of proteins and food, respectively. Poverty is caused by deficiency of kindness. Inequality is caused by deficiency of compassion.
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
