Vitamin A deficiency causes all of the following EXCEPT:-

Night blindness (nyctalopia) is one of the earliest symptoms of vitamin A deficiency. Vitamin A deficiency results in growth retardation due to impairment in skeletal formation. The reproductive system is adversely affected in vitamin A deficiency. Degeneration of germinal  epithelium leads to sterility in males.  Excessive consumption of vitamin A leads to toxicity.  The  symptoms of hypervitaminosis A include dermatitis (drying and redness of skin), enlargement of liver, skeletal decalcification, tenderness of long bones, loss of weight, irritability, loss of hair, joint  pains etc. Key Concept: Vitamin A deficiency causes growth retardation due to impairment in skeletal formation,degeneration of germinal epithelium leading to sterility in male and nyctalopia Reference: Satyanarayana- Biochemistry, 3rd edition, pg-123