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Staying Hydrated

Melissa Beitner • March 26, 2024

Advice after weight loss surgery with 360 SURGERY in Melbourne


Staying properly hydrated is essential for everyone, but it becomes even more crucial for individuals who have undergone bariatric surgery. Fluid intake guidelines for bariatric patients emphasise the importance of staying hydrated and how hydration avoids complications.


Complications of dehydration:

  • Kidney Stones - Dehydration can increase the concentration of minerals in the urine, raising the risk of kidney stones.
  • Constipation - Insufficient fluid intake can lead to constipation, which can be particularly uncomfortable after bariatric surgery.
  • Electrolyte Imbalances - Dehydration can result in imbalances in vital electrolytes like sodium and potassium, potentially causing heart irregularities and muscle weakness.
  • Reduced Energy Levels  - Dehydration can make you feel fatigued and reduce your energy levels, which can hinder your overall recovery and well-being.
  • Delayed Healing - Adequate hydration is crucial for healing, as it helps transport essential nutrients to the cells.


How much fluid do you need?

Most people need about 1.5-2L of fluid per day. You may need more than that depending on factors such as the weather and your activity level. This volume includes both water and other fluids you may drink during the day such as protein shakes and unsweetened tea. 


If you experience symptoms of dehydration, drink additional fluid. 

You’ll know you’re dehydrated if you have:

  • Thirst:
  • Increased thirst is the body's natural response to a decrease in fluid levels. It serves as a signal that the body needs more water.
  • Dark Yellow Urine:
  • Concentrated and dark yellow urine is often an early sign of dehydration. In a well-hydrated state, urine is typically pale yellow.
  • Reduced Urination:
  • Decreased frequency of urination or a significant reduction in the amount of urine produced may indicate dehydration.
  • Dry Mouth and Dry Skin:
  • Insufficient fluid intake can lead to a dry mouth and dry or sticky feeling on the skin. In severe cases, the skin may lose its elasticity.
  • Fatigue and Weakness:
  • Dehydration can cause a drop in blood volume, leading to reduced oxygen transport to muscles and organs. This can result in feelings of fatigue and weakness.
  • Dizziness or Lightheadedness:
  • Dehydration can affect blood pressure and circulation, potentially causing dizziness or lightheadedness, especially upon standing.
  • Rapid Heartbeat and Breathing:
  • In response to decreased blood volume, the heart may beat faster to try to compensate. This can lead to an increased heart rate and rapid breathing.
  • Sunken Eyes:
  • Dehydration can cause a sunken appearance around the eyes due to a reduction in fluid levels.
  • Confusion or Irritability:
  • Dehydration can impact cognitive function, leading to confusion, irritability, or difficulty concentrating.
  • Headache:
  • Dehydration may contribute to the development of headaches and migraines.
  • Constipation:
  • Dehydration can contribute to constipation - making the passage of stool hard or infrequent.


Fluid intake guidelines

Sip, Don't Gulp
Since the stomach's capacity is reduced, it's crucial to sip fluids throughout the day. Avoid gulping down large quantities of water or other beverages in one go, as this can lead to discomfort and even vomiting.


Prioritise Water

Water should be your primary source of hydration. It's calorie-free, won't interfere with nutrient absorption, and is essential for overall health.


Avoid Carbonated and Sugary Drinks

Carbonated beverages and sugary drinks can lead to gas and discomfort. Steer clear of these, as they can also hinder your weight loss efforts.


Monitor Your Intake

Keep track of your daily fluid intake to ensure you meet your hydration goals. Consuming 1.5-2L of fluids daily is generally recommended, but consult with your surgeon for personalised recommendations.


Stay Hydrated Between Meals

Don’t eat and drink at the same time. Aim to have a 30-minute break between eating and starting drinking or vice versa. Consuming fluids primarily between meals rather than with them to ensure you don't fill your stomach too quickly and hinder your nutrient intake.


Protein First

Prioritise consuming your protein before your fluids, as protein is crucial for muscle preservation and weight loss after bariatric surgery.


Coffee
Coffee is a diuretic, which means it can contribute to fluid loss. Ensure that you balance your coffee intake with ample water consumption to prevent dehydration.


Avoid Drinking Close to Bedtime
To prevent nighttime discomfort and disrupted sleep, avoid drinking large amounts of fluids close to bedtime.


Listen to Your Body
Pay attention to your body's signals. If you're feeling thirsty or experiencing symptoms of dehydration (e.g., dark urine, dry mouth, dizziness), drink water immediately.

Proper hydration is a fundamental aspect of post-bariatric surgery recovery and long-term success. Staying hydrated can help prevent complications and ensure health, comfort, and overall well-being. Always consult with your weight loss surgeon and nutrition team on personalised recommendations and support on your post-bariatric surgery journey.



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