Cause of salt Losing Nephropathy: (A) Interstitial nephropathy, (B) Maintenance phase of acute tubular necrosis, (C) Post  - Streptococcal Glomerulonephritis, (D) IgA nephropathy
Answer is A. Causes :
Reflux Nephropathy.
Interstitial nephropathy.
Post - obstructive uropathy.
Medullary Cystic disease.
Recovery phase of ATN.