Harvard Heart Letter

Avoiding fluid overload if you have heart failure

Most people with heart failure need to limit the amount of fluid they drink to eight cups a day. That includes foods and beverages that are liquid at room temperature, including milkshakes, smoothies, ice cream, gelatin, soup, and ice cubes. In addition, a cup of certain fruits and vegetables that contain lots of water (such as watermelon and cucumber) counts as a half-cup of fluid. Tips to help address a common complaint from fluid restriction (thirst and a dry mouth) include gargling with cold mouthwash and sucking on hard candies or mints. 
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