Homepharmacology action of the allopurinol.. ttt of uric acid and ca oxalate renal stone action of the allopurinol?? Mechanism of action is xanthin oxidase inh used for: 1) prophylaxis of gout 2) ttt of uric acid and ca oxalate renal stone. Facebook Twitter Share:action of the allopurinol.. ttt of uric acid and ca oxalate renal stone Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email