This case
report describes a 19 years old boy presenting with bilateral lumbar
pain, abdominal cramps and generalized bodyaches. Systemic examination was unremarkable.
Patient was diagnosed as
Type I Renal Tubular Acidosis on the basis of alkaline
urine,
nephrocalcinosis, hypokalemic hyperchloremic
metabolic acidosis with normal
serum anion gap and positive amrnonium
chloride challenge test