Spironolactone
Potassium-sparing diuretic
Essential hypertension, edema, primary aldosteronism, malignant hypertension, hypokalemia
Essential hypertension: 50-100 mg daily in divided doses or as a single dose
Acute renal insufficiency, anuria, hyperkalemia, hypersensitivity
Reduces vascular responsiveness to norepinephrine. NSAID’s
Gynecomastia, agranulocytosis, headache, drowsiness, lethargy, GI disturbances, inability to achieve or maintain erection, irregular menses, amenorrhea, ataxia, postmenopausal bleeding, drug fever
Tab 25 mg, 50 mg, 100 mg