Antimineralocorticoid is a medical term that refers to a group of drugs that inhibit the action of mineralocorticoids which are hormones responsible for regulating electrolyte and water balance in the body. Some synonyms for antimineralocorticoid include aldosterone antagonists, mineralocorticoid receptor antagonists, and diuretics. Aldosterone antagonists include spironolactone and eplerenone, while mineralocorticoid receptor antagonists include canrenone and finerenone. Diuretics such as furosemide and hydrochlorothiazide also have antimineralocorticoid effects. The use of antimineralocorticoids is indicated in conditions such as high blood pressure, heart failure, and certain kidney diseases.