Boots WebMD Partners in Health
Return To Boots

Heart disease health centre

Select a topic to explore more.
Select An Article


Diuretics are used to treat high blood pressure and heart failure. They may be referred to as 'water tablets'. That's because they help the body get rid of excess water and salt through urine.

This makes it easier for the heart to pump blood and in turn helps to lower blood pressure.

Who should take diuretics?

Diuretics may be recommended for:


Types of diuretics

Loop diuretics are often prescribed for oedema and heart failure. These include furosemide, bumetanide and torasemide.

Thiazide diuretics help manage high blood pressure and oedema due to heart failure, including bendroflumethiazide, indapamide and metolazone.

Potassium-sparing diuretics are not generally used for heart failure.

Diuretic warnings

Always make sure a doctor knows about other health conditions and all medications being taken, including herbal remedies.

Diuretics are not suitable during pregnancy or for people with gout.

Side-effects of diuretics include:

Seek medical advice if you experience side-effects or have concerns. Don't stop taking a medication without talking to a doctor first.

Next Article:

WebMD Medical Reference

Medically Reviewed by Dr Rob Hicks on September 27, 2016

Heart disease newsletter

The latest heart health news and information, delivered to your inbox.
Sign Up

Popular slideshows & tools on BootsWebMD

mature woman
Go for the glow!
avacado on whole wheat crackers
Plenty of healthy options
bowl of soup
Small changes that lead to weight loss
baby eating from spoon
What to feed your baby in the first year
cold sore
How to cope with cold sores
toddler doodling
What to expect in your child's second year
bain illustration
Best foods for your brain
bucket with cleaning supplies in it
Cleaning for a healthy home
mother and child
Could your baby be allergic to milk?
woman using moisturizer
Treating dry skin in winter