Diuretics – Mayo Clinic


Diuretics, also called water capsules, are a prevalent therapy for superior blood strain. Find out how they do the job and when you may well want them.

By Mayo Clinic Staff members

Diuretics, from time to time called water capsules, support rid your overall body of salt (sodium) and water. Most of these medications support your kidneys release extra sodium into your urine. The sodium allows eliminate water from your blood, reducing the volume of fluid flowing as a result of your veins and arteries. This decreases blood strain.

Examples of diuretics

There are a few forms of diuretics:

  • Thiazide
  • Loop
  • Potassium sparing

Every variety of diuretic has an effect on a diverse component of your kidneys. Some capsules combine extra than one particular variety of diuretic or combine a diuretic with a further blood strain medicine.

Which diuretic is best for you depends on your health and the affliction staying addressed.

Examples of thiazide diuretics taken by mouth include things like:

  • Chlorothiazide
  • Chlorthalidone
  • Hydrochlorothiazide
  • Indapamide
  • Metolazone

Examples of loop diuretics include things like:

  • Bumetanide (Bumex)
  • Ethacrynic acid (Edecrin)
  • Furosemide (Lasix)
  • Torsemide (Soaanz)

Examples of potassium-sparing diuretics include things like:

  • Amiloride (Midamor)
  • Eplerenone (Inspra)
  • Spironolactone (Aldactone, Carospir)
  • Triamterene (Dyrenium)

When diuretics are utilized

Thiazide diuretics are proposed as one particular of the initial drug remedies for superior blood strain.

If diuretics aren’t plenty of to decreased your blood strain, your medical professional may well insert other blood strain remedies to your therapy strategy.

Diuretics are also utilized to stop, deal with or strengthen indications in persons who have:

  • Heart failure
  • Liver failure
  • Tissue swelling (edema)
  • Selected kidney conditions, this kind of as kidney stones

Facet consequences

Diuretics are typically safe. Facet consequences include things like elevated urination and sodium loss.

Diuretics can also impact blood potassium ranges. If you choose a thiazide diuretic, your potassium amount can drop also small (hypokalemia), which can lead to lifestyle-threatening problems with your heartbeat. If you might be on a potassium-sparing diuretic, you can have also a lot potassium in your blood.

Other doable facet consequences of diuretics include things like:

  • Dizziness
  • Complications
  • Dehydration
  • Muscle mass cramps
  • Joint conditions (gout)
  • Impotence