Vitamin A Deficiency (VAD)
What is it?
Vitamin A deficiency is a lack of vitamin A in the body.
Vitamine A is a class of fat-soluble substances. Vitamin A is essential for vision and eye health, immune function, skin health and more.
There are two main forms of vitamin A:
* provitamin A (mainly beta-caroten) – found in green leafy vegetables, sweet potatoes and carrots
* preformed Vitamin A (retinol, retinoic acid and more) - found in animal sources of food such as liver, egg yolk and butter, and is also the form supplied by most supplements.
vitamine A deficiency is common in poorer countries, especially among children and women of reproductive age, but is rarely seen in more developed countries.
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Vitamin A Deficiency (VAD).
Additional names
This group contains additional names:
- Hypovitaminosis A
Signs & symptoms
symptoms include:
* vision and eye problems - vitamin A deficiency is the leading cause of preventable blindness in children worldwide. Additional manifestations include night blindness, dry eye, and more.
* Poor bone growth
* skin problems
* increased infection rate
Diagnosis
The diagnosis of vitamin A deficiency is usually made by clinical findings but can be supported by blood tests to measure vitamin A levels.
Treatment
treatment include:
* vitamin A oral supplements
* vitamin A rich diet
☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.
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