In diabetes insipidus, diuretic showing paradoxical antiduretic activity -: (A) Thiazide, (B) Triamterene, (C) Spironolactone, (D) Furosemide
Answer is A. Ans. is 'a' i.e., Thiazide Thiazide diuretics paradoxically decrease urine output in DI due to formation of cAMP in distal tubules effective in both central and nephrogenic DI.