How to Cure Sugar Intolerance

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A sugar intolerance means that your body can’t process certain types of sugar, leading to digestive problems. Many different compounds could trigger this reaction, including lactose, sucrose, and fructose. There is no one cure for the condition, although you may grow out of it over time, especially if it started when you were young. In the meantime, you can adjust your diet to manage your symptoms. With a few changes, you can live your day-to-day life without any more discomfort.

Method 1
Method 1 of 2:

Diagnosing the Condition

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  1. Keep a food diary of everything you eat and how you feel afterward. In addition to table sugar and fruit, be mindful of sugars found in processed foods. Bring your food diary with you when you talk to your doctor. [1]
    • On food labels, sugar may be listed as sucrose, fructose, and lactose.
  2. You may have a food sensitivity that's causing your symptoms. To help you find out, cut common food allergens out of your diet for 2-4 weeks. Then, introduce the foods back into your diet 1 at a time to see if they cause a reaction. If a food triggers your symptoms, cut that food out of your diet. [2]
    • Common food allergens include dairy, gluten, eggs, soy, peanuts, tree nuts, citrus, shellfish, corn, and beef products.

    Tip: If a food upsets your stomach, talk to your doctor about taking digestive enzymes when you eat them. This may help you avoid upset stomach.

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  3. Sugar intolerance requires a doctor’s diagnosis and treatment. The symptoms are general intestinal upset, bloating, gas, diarrhea, and stomach cramps. These symptoms usually start or get worse after eating certain, sugar-containing foods. If you experience these symptoms, make an appointment with your doctor to determine the cause. [3]
    • If your doctor isn’t a GI specialist, then they will probably refer you to a gastroenterologist for more expert treatment.
    • Sugar intolerance symptoms look a lot like other conditions like irritable bowel syndrome. This is why seeing a doctor is important. That way, you can find out the exact cause and treatment for your symptoms.
    • Sugar intolerances usually start during childhood, so pay attention if your child is showing these symptoms as well. An affected child may also grow more slowly because their bodies aren’t absorbing nutrients properly.
  4. There are a few different tests to diagnose sugar intolerance, depending on the particular compound you’re sensitive to. After a physical exam and medical history, the doctor will try a few different tests if they suspect you’re sensitive to sugar. [4]
    • For fructose sensitivity, the doctor will give you a small dose of fructose orally and then measure your breath. A spike in hydrogen indicates a positive test.
    • A similar breath test is used for lactose intolerance.
    • To test for glucose or sucrose sensitivity, your doctor may take a blood sample to measure your blood sugar levels.
  5. If your test positive for a sugar intolerance, the main treatment is changing your diet to avoid foods that aggravate your symptoms. Since there are different types of sugar intolerance, the specific adjustments depend on your condition. Consult your doctor and follow their instructions on which dietary changes to make. [5]
    • If you need more guidance on managing your diet, speak with a professional nutritionist or dietician. Find a licensed professional, approved by the Academy of Nutrition and Dietetics, near you at https://www.eatright.org/find-an-expert .
  6. Sucrase is the enzyme that breaks down sucrose, so you’ll have a sucrose intolerance if you lack this enzyme. Sucraid is a medication that replaces sucrase and helps you deal with your condition. Your doctor may prescribe it if you have a sucrose intolerance. [6]
    • A similar pill can help with lactose intolerance. There are a few different brand names, so ask your doctor with is best for you. [7]
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Method 2
Method 2 of 2:

Adjusting Your Diet

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  1. If you’re diagnosed with any type of sugar intolerance, then you have to become a more cautious shopper. Always check food labels before buying anything to see how much sugar it contains. If the levels are too high for you to tolerate, then cut that food out of your diet. [8]
    • The specific amount of sugar that you can tolerate depends on your condition. Follow your doctor’s advice on keeping your intake below a certain level.
    • Some other compounds to avoid are high-fructose corn syrup, honey, agave syrup, and molasses.
    • If you can tolerate some sugar, then you can have foods where sugar isn’t listed as one of the first 4 ingredients. While these foods contain sugar, it’s in a much lower concentration that may not trigger your symptoms.
  2. While fruits and vegetables are very healthy, some are also very high in fructose. You need some fruits and vegetables in your diet, so stick to low-sugar varieties. For fruit, good choices are blueberries, strawberries, raspberries, and avocados. Choose veggies like leafy greens, broccoli, carrots, green beans, celery, and cucumbers. Stick to these types to avoid triggering your symptoms. [9]
    • You’ll probably tolerate these fruits and vegetables better with a meal than by themselves.
    • Fruits and vegetables particularly high in sugar are apples, bananas, grapes, watermelon, asparagus, peas and zucchini. Most fruit juices are also very sugary, so cut them out of your diet.

    Warning: Limit the amount of fruit you eat, as it's high in natural sugars. Talk to your doctor or dietitian about how much fruit you can safely eat while still managing your symptoms.

  3. Some natural and synthetic sugar alternatives can still sweeten your food and drinks without aggravating your symptoms. These include stevia, xylitol, erythritol, monk fruit extract, and saccharin. Try replacing table sugar with these alternatives. [10]
    • If you’re not very sensitive, then you might be able to use honey, maple syrup, molasses, coconut sugar, brown rice sugar, banana puree, or dates instead of table sugar.
    • Only use these sweeteners if your doctor tells you it’s safe. Depending on the type of sugar intolerance you have, other sweeteners might affect you too.
    • If you can’t tolerate any added sugar or sugar substitutes, cinnamon can flavor some foods.
  4. Lactose is a type of sugar in dairy products, and lactose intolerance is one of the most common types of sugar intolerance. Cut your dairy consumption, or use dairy alternatives like soy milk, to avoid aggravating your symptoms. [11]
    • You might be able to eat dairy products if you take a prescription pill beforehand. Speak with your doctor to find out if this is a good option for you.
    • If your lactose intolerance isn’t bad, you might be able to have dairy products in smaller servings. For example, use half the amount of milk you usually do in your cereal.
  5. Some prescription and over the counter medications contain sugars for flavoring. Check the medication bottles or ask the pharmacist if any medication you take contains sugars. If so, talk to your doctor about getting a different prescription.
    • Most liquid medications, particularly cough syrups, contain at least some sugar for a better taste. You might have to switch to tablets to keep your sugar intake low. Lozenges also have sugar. If you aren't sure about something, don't hesitate to ask the doctor or pharmacist.
    • The pharmacist may be able to mix up a custom batch of medication for you without sugar.
  6. Your sugar intolerance symptoms might gradually improve over time, especially after you’ve been on a low-sugar diet. Try slowly adding some sugar to your diet and seeing how you tolerate it. If your symptoms don’t flare up, then you may be able to tolerate some more sugar in your everyday diet. [12]
    • If you hit a point where your symptoms flare up, then keep your consumption below that level.
    • Reintroduce foods under the guidance of your doctor. If they advise against it, then don’t increase your sugar intake.
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      Tips

      • A sugar intolerance is sometimes confused with a sugar allergy. These are not the same thing, and sugar allergies are actually pretty rare. If you’re allergic to sugar, you’ll experience itching, sneezing, hives, runny nose, or swelling in your throat, rather than gastrointestinal problems. [13]
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      References

      1. ↑ https://www.kidswithfoodallergies.org/diagnose-food-allergy-food-diary.aspx
      2. ↑ https://www.fammed.wisc.edu/files/webfm-uploads/documents/outreach/im/handout_elimination_diet_patient.pdf
      3. ↑ https://www.aaaai.org/allergist-resources/ask-the-expert/answers/old-ask-the-experts/allergy-intolerance-sugar
      4. ↑ hthttps://www.ncbi.nlm.nih.gov/books/NBK499910/
      5. ↑ https://www.iffgd.org/other-disorders/congenital-sucrase-isomaltase-deficiency-csid.html?start=1
      6. ↑ https://www.iffgd.org/other-disorders/congenital-sucrase-isomaltase-deficiency-csid.html?start=1
      7. ↑ https://www.mayoclinic.org/diseases-conditions/lactose-intolerance/diagnosis-treatment/drc-20374238
      8. ↑ https://www.mayoclinic.org/fructose-intolerance/expert-answers/faq-20058097
      9. ↑ https://www.mayoclinic.org/fructose-intolerance/expert-answers/faq-20058097
      1. ↑ https://health.clevelandclinic.org/5-best-and-worst-sweeteners-your-dietitians-picks/
      2. ↑ https://www.mayoclinic.org/diseases-conditions/lactose-intolerance/diagnosis-treatment/drc-20374238
      3. ↑ https://www.eatright.org/health/allergies-and-intolerances/food-intolerances-and-sensitivities/what-is-an-elimination-diet
      4. ↑ https://www.aaaai.org/ask-the-expert/allergy-intolerance-sugar

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