All of the following are associated with polyuria except: September 2007

Ans. C: Rapidly progressive glomerulonephritis Polyuria is said to occur if a patient passess more than 3 litres of urine per day. Causes of polyuria Endocrine: - Diabetes mellitus - Cranial diabetes insipidus - Cushings syndrome Renal: Relief of chronic urinary obstruction - Early chronic pyelonephritis - Nephrogenic diabetes insipidus - syndrome Iatrogenic: - Diuretic therapy - Alcohol Other drugs, e.g. lithium, tetracyclines Metabolic: - Hypercalcemia - Primary hyperaldosteronism Psychological: - Psychogenic polydipsia (compulsive water-drinking) - Polyuria is an uncommon but serious complication of psychotic illness Rapidly progressive glomerulonephritis may cause anuria