You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is All of the following drugs acts as potassium sparing diuretics, EXCEPT: and explain in detail?
Potassium-sparing diuretics prevent K+ secretion by antagonizing the effects of aldosterone at the late distal and coical collecting tubules. Inhibition may occur by direct pharmacologic antagonism of mineralocoicoid receptors (spironolactone, eplerenone) or by inhibition of Na+ influx through ion channels in the luminal membrane (amiloride, triamterene). Ref: Katzung, 11th edition, Chapter 15.