Foods to eat and avoid when taking furosemide

Diuretics help reduce fluid buildup in the body and increase urine output. These medications work by blocking the absorption of sodium, chloride, and water from the kidneys, allowing for an increase in urine production and passing.

Diuretics like furosemide can help treat many conditions, such as:

• hypertension
• heart failure
• edema (fluid buildup)
• liver failure
• kidney conditions

Your diet may also have an effect on these conditions and may support the function of medications like furosemide.

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Furosemide and food

When your fluid levels are too high, your heart and arteries work harder because there’s more blood and fluid to move around your body. That can raise your risk of stroke, heart failure, kidney failure, or heart attack. Flushing out that extra fluid is important.

Diuretics and similar medications can be crucial treatment tools to keep you healthy. Furosemide (Lasix) is a common example of a diuretic. Other examples include:

• bumetanide (Bumex)
• indapamide
• spironolactone (Aldactone)

Your diet also matters when you’re taking a strong diuretic such as furosemide. The foods you eat can directly affect the amount of fluid your body retains. There are two main areas to focus on:

Reducing salt

When you consume high sodium foods or beverages, your kidneys have more difficulty removing fluid. That fluid then builds up, raising your blood pressure.

Increasing potassium

The main job of a diuretic is to cause fluid loss. However, the downside is that it can cause electrolytes such as potassium to deplete. That’s why it’s important to watch your potassium levels and make sure you’re getting enough.

Low potassium can cause muscle weakness, cramping, and even irregular heartbeat.

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Foods to limit when taking furosemide

If you’re taking furosemide or a similar diuretic, it is best to limit foods and drinks with high salt content but not exclude salt altogether. Adults should consume no more than 2,300 milligrams (mg) of sodium daily.

Here are some tips on what to avoid:

• Frozen foods: Many frozen and other types of ready-made meals are high in salt and can interfere with diuretics.
• Canned or pickled foods: Pickled and brined foods are typically high in salt. However, reduced-sodium or no-salt-added products are often available.
• Snack foods: Chips, pretzels, and popcorn are often salted. These foods can rapidly increase your daily sodium intake without providing much nutritional value.
• Deli meats: Many deli meats are highly processed and high in salt due to seasoning or preservation.
• Cheese: Processed cheese is often high in sodium. For example, one slice of American cheese may have more than 250 mg of sodium.
• Condiments, sauces, and dressings: Dressings can add large amounts of salt to the diet without people realizing. For example, one tablespoon of mayo has close to 90 mg of sodium.
• Processed breads and cereals: Checking labels is essential. For example, one half-cup serving of Grape-Nuts has 270 mg of sodium.

In addition to limiting salt intake, when taking diuretics, including hydrochlorothiazide, it’s important to avoid consuming alcohol as this may cause dangerously low blood pressure.

Foods to try when taking furosemide

Managing sodium intake and eating a balanced diet will ensure diuretics work as intended and support overall health. But there are some extra considerations you can take.

High potassium foods

Some diuretics may cause you to pass potassium in the urine, lowering your overall potassium levels. Eating a range of potassium-rich fruits and vegetables can help redress this balance. Examples include:

• avocados
• bananas
• beans and legumes
• leafy greens
• potatoes

DASH diet

The dietary approaches to stop hypertension (DASH) diet is a low sodium diet for treating high blood pressure. It can also help lower water retention.

The DASH diet offers loads of additional health benefits, including the prevention of osteoporosis, cancer, heart disease, stroke, and diabetes. The diet prioritizes the intake of:

• whole grains
• oily fish
• lean poultry
• nuts
• vegetables
• fruits
• low fat dairy products

If you need help getting started with the DASH diet, talk with a healthcare professional or dietitian. You can also check out this guide.

Summary

Diuretics such as furosemide and bumetanide help the body pass more fluids and salt in the urine. This can reduce fluid buildup (edema) and help lower blood pressure.

When taking diuretics, it’s essential to monitor salt intake to ensure the medication works effectively. Diuretics can also cause the body to pass potassium from the body, so eating fruits and vegetables rich in this nutrient may also benefit you.

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