An infant is crying excessively even after being given good fed. He is passing a large quantity of urine and repeatedly getting dehydrated. Urine examination shows no proteinuria and a specific gravity of 1004. The most likely diagnosis is ?
Ans. is 'b' i.e., Diabetes insipidus o This child has low urinary specific gravity. o Amongst the given options only DI causes low urinary specific gravity.
Diabetes mellitus
Diabetes insipidus
Congenital nephrotic syndrome
Protein losing enteropathy