Salt losing nephritis is a feature of-

Ans. is 'a' i.e., Interstitial nephritisCAUSES OF TUBULOINTERSTITIAL DISEASESInfectionso Acute bacterial pyelonephritiso Chronic pyelonephritis (including reflux nephropathy)o Other infections (e.g. viruses, parasites) Toxinso Drugso Acute hypersensitivity interstitial nephritis o Analgesic nephropathyo Heavy metalso Lead, cadmiumMetabolic diseaseso Urate nephropathyo Nephrocalcinosiso Hypokalemic nephropathyo Oxalate nephropathyPhysical factorsChronic urinary tract obstructionRadiation nephropathy NeoplasmsMultiple myelomaImmunological reactionsTransplant rejectionSjogren syndromeSarcoidosisVascular diseasesMiscellaneousBalkan nephropathyNephronopthsis - medullary cystic disease complexIdiopathic interstitial nephritisFollowing information have been added in 8th/e of Robbins Aristolochic nephropathyo A syndrome of tubulointerstitial nephritis caused by aristolochic acid, a supplement found in some herbal remedies, has been recognized recently.o The drug forms covalent adducts with DNA and causes a distinctive picture of renal failure and interstitial fibrosis associated with a relative paucity of infiltrating leukocytes.o There is an increased incidence of carcinoma in the kidney and urinary tract.