Diseases
vitamin a deficiency
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Overview
Deficiency of vitamin A is associated with significant morbidity and mortality from common childhood infections, and is the world's leading preventable cause of childhood blindness. Vitamin A deficiency also contributes to maternal mortality and other poor outcomes of pregnancy and lactation.
Symptoms
- night blindness (nyctalopia).
- xerophthalmia
- foamy spots called bitot spots may appear in the whites of the eyes
Causes
- chronic diarrhea.
- celiac disease.
- cystic fibrosis.
Risk factors
- certain pancreatic disorders.
- zinc or iron deficiency.
- bile duct blockage.
Diagnosis
- blood test.
- physical exam
Medicines used
Frequently asked questions
What is vitamin a deficiency?
Deficiency of vitamin A is associated with significant morbidity and mortality from common childhood infections, and is the world's leading preventable cause of childhood blindness. Vitamin A deficiency also contributes to maternal mortality and other poor outcomes of pregnancy and lactation.
What are the symptoms of vitamin a deficiency?
night blindness (nyctalopia)., xerophthalmia, foamy spots called bitot spots may appear in the whites of the eyes
What causes vitamin a deficiency?
chronic diarrhea.; celiac disease.; cystic fibrosis.
Which medicines are used for vitamin a deficiency?
vitamin a
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