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What are the benefits of diuretics for heart failure?

Diuretics (water pills) help the kidneys make more urine and get rid of excess fluid. Diuretics can also decrease fluid in the lungs and help you breathe more easily. But at night, you may need to go to the bathroom more. When you lie down, more blood goes to your kidneys, which causes them to make more urine.

Holding fluid is very common when your heart is weak. Taking a diuretic daily and limiting salt can help to prevent this fluid buildup.

When you have heart failure, weigh yourself daily and watch for fluid buildup. If you have fluid buildup, take action. Call your doctor right away for advice to reduce your heart's workload. If you have fluid buildup often, you may be told to take an extra diuretic tablet.

Always follow your doctor's advice about diuretics. Taking too much diuretic on your own can cause serious and even life-threatening problems. If you are urinating a lot but still holding fluid, eat less salt.

When you take diuretics or water pills to help control your heart failure symptoms, you urinate more frequently. Diuretics help your kidneys remove salt and water from your bloodstream and decrease the water in your body. Three good things happen when you lower extra water in your body:
  • It makes your breathing more comfortable.
  • It makes the swelling in your ankles, legs, and belly go down.
  • It makes it easier for your heart to pump.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.