Uricosuric

Which of the following has a uricosuric action:

a) Allopurinol

b) Losartan

c) Ramipril

d) Atenolol

Correct answer: b) Losartan

Losartan has a uricosuric action in addition to being an angiotensin receptor blocker. Allopurinol is a xanthine oxidase inhibitor which reduces the synthesis of uric acid.