All of the following statements about amiloride are true EXCEPT:
Amiloride acts by blocking epithelial Na+ channels. It has no effect on aldosterone receptors. It is more potent than triamterene. It decreases Ca2+ loss in the urine It is the drug of choice for lithium induced DIas it blocks entry of Li ions through ENac channels.
It antagonises the action of aldosterone
It is the drug of choice for the treatment of lithium induced diabetes insipidus
It decreases calcium loss in the urine
It is more potent than triamterene
Kidney