<prompt> Which vitamin deficiency results in diarrhoea and renal stone formation :Vitamin AVitamin DVitamin CVitamin K  <response>: Vitamin A deficiency can result from inadequate intake, fat malabsorption, or liver disorders. Deficiency impairs immunity and hematopoiesis and causes rashes and typical ocular effects eg, xerophthalmia, night blindness. Reference: GHAI Essential pediatrics, 8th edition 