Diuretics 4 Flashcards
what are the 2 names of the thiadiazides?
- hydrochlorothiazide
2. dihydrochlorothiazide
what are the 2 names of the thiazide-like drugs?
- indapamide
2. metolazone
what is the main clinical use of the thiazides?
to control HTN
what are the other clinical usage of the thiazides?
- chronic edema due to cardiac insufficiency
- idiopathic hypercalciuria
- nephrogenic diabetes insipidus-lithium therapy
what are the side effects of thiazide diuretics?
- hypokalemia-diabetes
- hyponatremia
- contraction alkalosis
- hyperuricemia
- increased BUN and serum creatinine
- hypercalcemia
what are the 2 types of potassium sparing diuretics?
- antagonist of mineralcorticoids (aldosterone dependent)
2. inhibitors of epithelial sodium channels (aldosterone independent)
what is the K+ sparing agent that is antagonist of mineralocorticoids?
spironolactone
what the names of the 2 inhibitors of epithelial sodium channels?
- triamterene
2. amiloride
what is the main clinical use of K+ sparing diuretics?
combination with loop or thiazide diuretics to minimize potassium depletion while controlling HTN
what are the other clinical use of K+ sparing diuretics?
- edema due to CHF, cirrhosis, and nephrotic syndrome
- primary and secondary aldosteronism
- idiopathic hypercalciuria
- lithium induced polyuria
what are the side effects of K+ sparing diuretics?
- hyperkalemia
2. gender-specific effects of androgen receptor antagonism by spironolactone
what factors determine the diuretic activity?
- plasma conc
- renal blood flow
- GFR
- Tubular secretion
- Tubular fluid conc
K+ sparing diuretics is used for patients with renal dz such as
- renal failure
2. nephrotic syndrome