Thiazide diuretic used when GFR<30 ml/min?: (A) Metolazone, (B) Benzthiazidc, (C) Chlohiazide, (D) Hydrofulthiazide
Answer is A. Ans. is 'a' i.e., Metolazone o Metolazone is the only thiazide which is effective in severe renal failure.