Fluid retention (2024)

What is fluid retention?

Fluid retention is also called oedema or water retention. It occurs when parts of the body swell due to a build-up of trapped fluid. The fluid gets trapped and makes the area swollen or puffy. Fluid retention is most common in your ankles and feet.

What are the symptoms of fluid retention?

Signs of fluid retention can be:

  • swelling or puffiness under the skin
  • skin that looks or feels tight or shiny
  • skin that does not bounce back if you press it for a few seconds
  • skin that is not the normal colour
  • limbs or joints that ache
  • putting on weight
  • an increase in size of your tummy area

See your doctor if you have any of these symptoms.

Fluid retention can cause pain where the swelling is happening. It can also cause damage to your skin. You may have trouble walking. Fluid retention is usually a sign that you have another health issue.

Sometimes fluid retention can happen in the lungs. This is called pulmonary oedema. It can cause shortness of breath or chest pain. You should see your doctor as soon as possible if this happens. Treatment is needed straight away.

If you suspect that you or someone else has pulmonary oedema, go to your nearest hospital or call triple zero (000) immediately and ask for an ambulance.

What causes fluid retention?

There are many causes of fluid retention. Some people get fluid retention due to being sick from:

Some medicines can cause fluid retention, such as:

You can get fluid retention if you are overweight or do not have enough of the right foods. Pregnant people also sometimes have fluid retention.

Sometimes health issues that happen in one part of your body can cause fluid retention in another area. A problem in one part of your arm or leg can cause fluid retention further down your arm or leg. This can happen if you have:

  • a problem with your lymphatic system, which drains fluid from tissues
  • a vein condition, such as deep vein thrombosis
  • a build-up of fat, usually in the legs
  • a burn or other type of injury

When should I see my doctor?

You should see your doctor if you have symptoms of fluid retention. Your doctor can do tests to find the cause. You may need some medicine or a different treatment. You may need to change your diet or do exercises.

How is fluid retention treated?

Treatment of fluid retention depends on its cause. Once the doctor has found out the cause you will be told what treatment is needed.

Many people will find their problem with fluid gets better if they do more exercise. Other people might feel better if they have a healthy diet. Drinking less alcohol and having less salt in your diet can also help.

Salt in your diet can increase your fluid retention. Talk to your doctor about how much salt you eat.

Some people need medicines called diuretics. These medicines help their body get rid of excess fluid via your urine (pee). Some people need to change the medicines they are taking after talking to their doctor.

If the fluid is only in one part of your body, you can feel more comfortable if you:

  • raise the swollen part above your heart when you can
  • massage the swollen area in the direction of your heart
  • do exercises as advised by your doctor

Your doctor may recommend that you wear compression clothes, such as socks.

Resources and support

If you want to know more about fluid retention, talk to your doctor or call healthdirect on 1800 022 222 (known as NURSE-ON-CALL in Victoria). A registered nurse is available to speak to, 24 hours, 7 days a week.

Fluid retention (2024)

FAQs

What is the normal range of fluid retention? ›

Most people will retain 8 to 15 pounds of excess fluid before they see leg and belly swelling. However, symptoms such as coughing and shortness of breath, loose stools, nausea and feeling full when without eating much may develop at the 5-to-7 pound mark" says Dr. Lewis.

What is the best thing for fluid retention? ›

Treatment for fluid retention
  • a low-salt diet.
  • diuretics (water pills)
  • treatment for the underlying medical condition – such as hormone replacement (thyroxine) in the case of hypothyroidism.
  • lifestyle changes in response to the underlying medical condition – such as avoidance of alcohol if liver disease is the cause.

What is the main cause of fluid retention? ›

Fluid retention (oedema) occurs when fluid isn't removed from the body tissues, including the skin. Causes include the body's reaction to hot weather, a high salt intake, and the hormones associated with the menstrual cycle.

How long does fluid retention last? ›

Water retention may clear without treatment in a few days. However, if there is a health problem causing you to hold onto fluid, your swelling may worsen over time. You may find that the body parts retaining water become tight, swollen, and painful. If untreated, heart or kidney problems may get much worse.

What are the worst foods for water retention? ›

Processed, high-salt, high-fat, high-sugar foods and certain dairy products can make oedema worse. What foods to avoid for fluid retention? Avoid high-sodium foods, processed foods, unhealthy fats, and high-sugar beverages to avoid fluid retention.

What organ controls water retention? ›

The kidneys can regulate water levels in the body; they conserve water if you are dehydrated, and they can make urine more dilute to expel excess water if necessary.

What is the fastest way to flush water retention? ›

Ways to lose water weight
  1. Reduce sodium (salt) intake. To lose water weight, a person should consider replacing sodium-rich foods with low sodium equivalents. ...
  2. Drink more water. While counterintuitive, drinking water can actually reduce water weight. ...
  3. Reduce carbohydrate intake. ...
  4. Supplements. ...
  5. Exercise. ...
  6. Water pills.

How to lose 4 pounds of water weight overnight? ›

4 ways to lose water weight immediately
  1. Drink more water. It might be a little difficult to believe but drinking more water can actually help you shed water weight. ...
  2. Reduce intake of salt. Too much salt or sodium in your diet may be contributing to water retention. ...
  3. Consume fewer carbs. ...
  4. Exercise.
Jun 5, 2019

What is the strongest natural diuretic? ›

The 6 Best Natural Diuretics
  1. Coffee. Many people can attest their morning cup of joe often sends them to pee frequently—and caffeine is the culprit. ...
  2. Tea. Another popular caffeinated beverage, tea, is chock-full of antioxidants and a regular addition to many people's daily routines. ...
  3. Watermelon. ...
  4. Celery. ...
  5. Coconut Water. ...
  6. Parsley.
Jul 7, 2023

Is it belly fat or water retention? ›

If you push on your skin with your finger or thumb and your skin remains depressed, you're probably experiencing water retention. Fat cells are more springy, so the skin will bounce back. Do you feel bloated after eating?

Do bananas help swollen feet? ›

Remember to stay hydrated and limit your salt intake to prevent water retention. Are bananas good for swelling feet? Yes, bananas can help reduce swelling in the feet by maintaining proper electrolyte balance and providing vitamin B6 for nerve and skin health.

How do you drain fluid from your legs? ›

Lifestyle and home remedies
  1. Use pressure. If edema affects an arm or leg, wearing compression stockings, sleeves or gloves might help. ...
  2. Move. Moving and using the muscles in the part of the body that's swollen, especially the legs, might help move fluid back toward the heart. ...
  3. Raise. ...
  4. Massage. ...
  5. Protect. ...
  6. Reduce salt.
Jul 28, 2023

Should you drink more water if you have fluid retention? ›

Potassium-rich fruit, especially bananas, watermelons and peaches, can help lower sodium levels, decreasing water retention. Drink more water. Drinking more water to stop retaining water might sound like counterintuitive advice, but it is easier for the body to flush out excess salt and waste when hydrated.

What not to do with edema? ›

Do not sit or stand for long periods without moving or go on short walks. Wear support socks, stockings or sleeves, which put pressure on parts of your body to keep fluids from collecting there. Edema shoes are available for people who experience chronic edema and need adjustable footwear for swelling.

How do doctors treat fluid retention? ›

Treatment for water retention

A doctor can determine if you need any of the following to relieve your water retention: diuretics to help remove salt and water from the body through urine. certain supplements. compression socks.

What is high water retention? ›

Fluid or water retention occurs when the body is unable to maintain fluid levels. Kidney or cardiovascular disease, for instance, may cause the body to retain fluid. The main symptoms are swelling and discomfort.

How do you measure fluid retention? ›

Bioelectric impedance analysis is a simple, rapid, noninvasive bedside technique that measures the resistance of the body to a weak alternating current (50 kHz). The change in resistance is inversely proportional to the change in total body water.

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