Written by Sarah Polk, MS, RDN, CSOWM, LD

Are you experiencing symptoms of low blood sugar after bariatric surgery? Bariatric surgery is a great option for those struggling with obesity, but it can also bring some challenges, one of which is low blood sugar. In this blog post, we’ll dive into the symptoms, causes, what to do if it happens, and tips on how to prevent it.

Symptoms of Low Blood Sugar After Bariatric Surgery

Low blood sugar, also known as hypoglycemia, occurs when the glucose (sugar) in your blood drops too low. Common symptoms of low blood sugar include:

• Shakiness
• Dizziness or Lightheadedness
• Sweating
• Heart Palpitations
• Headache
• Fatigue
• Irritability or Mood Swings
• Hunger

Why Does Low Blood Sugar Happen After Bariatric Surgery?

There are several reasons why low blood sugar can occur after bariatric surgery. Here are some of the main causes:

• Dumping Syndrome: After surgery, food moves through your stomach and into the intestines more quickly. This can lead to a fast release of insulin, causing your blood sugar to drop.

• Hormonal Changes: Bariatric surgery alters hormone production, including insulin and glucagon, which regulate blood sugar. These changes can cause an imbalance in your blood sugar levels.

• Decreased Food Intake: After surgery, you’re eating smaller meals. With less food, there may not be enough carbs or calories to maintain normal blood sugar.

• Nutrient Malabsorption: Nutrient Malabsorption: Nutrient absorption decreases after bariatric surgery, including glucose, leading to low blood sugar.

What to Do If You’re Experiencing Low Blood Sugar Symptoms

If you think you’re experiencing low blood sugar, here’s what you should do right away to prevent more serious symptoms:

• Eat Fast-Acting Carbs: The first step is to consume something that will quickly raise your blood sugar. The best choice is glucose tablets. You could also try a small glass of juice (<4 oz), a couple of pieces of hard candy, or honey, but be careful not to overdo it, as this may lead to dumping syndrome.

• Wait 15-20 Minutes: Give it time for your blood sugar to rise. Wait 15 to 20 minutes, and check if your symptoms are improving.

• Recheck Your Blood Sugar: If you have a glucose meter, test your blood sugar to ensure it’s back to normal levels.

• Avoid Overeating: After experiencing low blood sugar, resist the urge to eat a large meal. It can cause your blood sugar to spike, leading to further issues.

• Seek Medical Help: If symptoms don’t improve or if you experience more severe symptoms like confusion or fainting, get medical help immediately.

How to Prevent Low Blood Sugar After Bariatric Surgery

Here are some tips on how to prevent low blood sugar after bariatric surgery:

• Eat Small, Frequent Meals: Since your stomach is smaller, you need to eat smaller meals throughout the day to maintain steady blood sugar levels. Focus on meals that include protein, fiber, and healthy fats. I recommend going no longer than 4-6 hours throughout the day without eating.

• Avoid Simple Carbs: Stay away from sugary foods or processed snacks that cause rapid blood sugar spikes and drops. Instead, choose complex carbs like whole grains, vegetables, and legumes that provide a steady release of energy.

• Monitor Blood Sugar Levels: If you’re prone to low blood sugar, track your levels regularly. This can help you identify patterns.

• Stay Hydrated: Dehydration can worsen symptoms of low blood sugar. Drink plenty of water throughout the day.

• Exercise: Exercise can help stabilize blood sugar levels and improve insulin sensitivity. It’s recommended to aim for 150 minutes of exercise each week, with gentle walks or moderate activity being ideal.
• Follow Your Dietitian’s Advice: Your healthcare team will give you specific dietary guidelinestofollow.Sticktothemtoensureyou’regettingthenutrientsyouneedfor stable blood sugar.

• Manage Stress: Stress can affect your blood sugar levels. Try to manage stress with activities like deep breathing, meditation, or light yoga.

Conclusion

Low blood sugar after bariatric surgery is common, but with the right knowledge and precautions, it can be managed effectively. If you’re having any difficulties managing low blood sugar symptoms after surgery, please don’t hesitate to contact us here at St. Louis Bariatrics.