Experiencing Stomach Pain After Changing Eating Habits: What to Do? - Gastroenterology and Hepatology

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Occasional stomach pain after changing dietary habits?


Hello, Doctor.
Since I changed my eating habits, I now leave for work at 5:30 AM and have two boiled eggs for breakfast.
For lunch, I eat half a small sweet potato, and I finish work at 3 PM due to my job.
I have dinner around 5 PM, and since the first two meals lack vegetables and meat, I make sure to include more vegetables and meat, along with eggs, in my dinner.
I also have a late-night snack, which consists of fruit with unsweetened soy milk.
On weekends, I eat normally, but even during the holidays, I hardly have a proper lunch.
After doing this for a long time (over six months), my appetite has decreased significantly, and I occasionally experience mild stomach pain or bloating.
I hope to receive your advice before deciding whether to seek a gastrointestinal check-up.
Generally, I feel fine, but I have lost a lot of weight; however, it’s not to the point of being malnourished (I am 168 cm tall, and I used to weigh over 70 kg, but now I weigh below 60 kg, around 58 kg).
Thank you, Doctor.

Taohua, 30~39 year old female. Ask Date: 2019/08/20

Dr. Chen Shidian reply Gastroenterology and Hepatology


It is advisable to consult a nutritionist regarding dietary recommendations and to manage it appropriately.
For stomach pain, you can initially try medication to control it; if there is no improvement, then consider undergoing an endoscopy.

Reply Date: 2019/08/20

More Info


Experiencing stomach pain and bloating after changing your eating habits can be concerning, and it's important to approach this situation with a comprehensive understanding of your dietary changes and their potential impacts on your digestive health. Based on the information provided, it seems that your recent dietary adjustments may not be providing your body with the necessary nutrients and balance it requires, leading to the symptoms you're experiencing.

Firstly, let's analyze your current eating pattern. You mentioned that for breakfast, you are consuming two boiled eggs, which is a good source of protein but lacks carbohydrates and fiber. For lunch, half a small sweet potato provides some carbohydrates, but again, it is low in fiber and lacks a variety of nutrients. Dinner appears to be more balanced with the addition of vegetables and protein, but if your lunch is insufficient, it may lead to overeating or discomfort later in the day. Additionally, your late-night snacks of fruit and unsweetened soy milk, while healthy, may not be enough to compensate for the lack of nutrients during the day.

The symptoms of stomach pain and bloating can often be attributed to several factors, including inadequate fiber intake, irregular meal patterns, and the body's adjustment to new eating habits. When you significantly change your diet, your digestive system may take time to adapt, which can lead to discomfort. Moreover, the reduction in food intake and the significant weight loss you’ve experienced (from over 70 kg to around 58 kg) could also be a contributing factor. Rapid weight loss can sometimes lead to gallbladder issues or other digestive complications.

To address your symptoms, consider the following recommendations:
1. Balanced Meals: Aim for balanced meals that include a variety of food groups. Each meal should ideally contain a source of protein (like eggs, lean meats, or legumes), healthy fats (such as avocados or nuts), and plenty of fiber (from vegetables, fruits, and whole grains). This balance can help regulate digestion and prevent bloating.

2. Regular Meal Times: Try to establish a more consistent eating schedule. Skipping meals or having irregular eating patterns can lead to digestive discomfort. Eating smaller, more frequent meals throughout the day may help maintain your energy levels and reduce feelings of hunger.

3. Increase Fiber Gradually: If your diet has been low in fiber, gradually increase your intake to avoid overwhelming your digestive system. Foods high in fiber include whole grains, fruits, vegetables, and legumes. Fiber helps regulate bowel movements and can alleviate bloating.

4. Stay Hydrated: Ensure you are drinking enough water throughout the day. Proper hydration is crucial for digestion and can help prevent constipation and bloating.

5. Monitor Food Intolerances: Pay attention to how your body reacts to certain foods. If you notice that specific items consistently lead to discomfort, consider reducing or eliminating them from your diet.

6. Consult a Professional: Since your symptoms have persisted for over six months, it may be beneficial to consult with a healthcare professional, such as a gastroenterologist or a registered dietitian. They can provide personalized advice and may recommend tests to rule out any underlying conditions.

7. Mindful Eating: Practice mindful eating by slowing down during meals, chewing thoroughly, and paying attention to your body's hunger and fullness cues. This can help improve digestion and reduce discomfort.

In summary, while your current eating habits may have contributed to your symptoms, making gradual adjustments towards a more balanced and consistent diet can help alleviate stomach pain and bloating. If symptoms persist despite these changes, seeking medical advice is essential to rule out any underlying gastrointestinal issues.

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