<prompt> Salt losing nephritis is a feature of:Interstitial nephritisPolycystic kidneyLupus nephritisRenal amyloidosis  <response>: Ans. is a interstitial nephritis One of the important functional consequence of interstitial nephritis is salt wasting.Interstitial nephritis is caused by drugs such as methicillin or penicillinIt is a type of tubulointerstitial disease in which there is tubular degeneration and necrosis and marked inflammation of interstitium. 