Digestive Issues: Causes and Solutions for Diarrhea - Gastroenterology and Hepatology

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Bowel movement issues


Hello Doctor, I started experiencing diarrhea after lunch yesterday (8/29) and went to the bathroom twice.
Later in the evening, I visited a doctor who prescribed me some gastrointestinal medications and antidiarrheal drugs.
After taking the medication, I woke up this morning and my first bowel movement was normal and formed.
However, after dinner tonight, I experienced abdominal pain and went to the bathroom again, where my stool was also formed.
About 15 minutes later, I suddenly had severe cramping in my abdomen, so I went to the bathroom once more, and this time I had diarrhea again, with my stool being completely liquid.
I would like to ask if this could be due to my diet being too greasy? In the past two days, my bowel movement frequency has increased from once a day to three times a day due to the diarrhea.
I found information online stating that persistent diarrhea could indicate intestinal pathology, which makes me very worried.
Thank you, Doctor, for your response.

Huiiiiii, 20~29 year old female. Ask Date: 2023/08/31

Dr. Chen Shidian reply Gastroenterology and Hepatology


Start with a light diet along with medication.
If diarrhea persists for more than 1 to 3 months, further medical attention is required.

Reply Date: 2023/08/31

More Info


Diarrhea is a common digestive issue that can arise from a variety of causes, ranging from dietary choices to infections and underlying health conditions. In your case, it seems that the onset of diarrhea followed a meal, which could suggest that your symptoms are related to the food you consumed, particularly if it was rich or greasy.
When we consume foods that are high in fat or oil, our digestive system may struggle to process them efficiently, leading to gastrointestinal distress. This can manifest as abdominal pain, cramping, and diarrhea. The body may react to these foods by increasing the secretion of bile and digestive enzymes, which can sometimes overwhelm the intestines, resulting in loose stools. Additionally, if you have a sensitivity to certain ingredients, such as lactose or gluten, this could also trigger diarrhea.

Infections, whether viral, bacterial, or parasitic, are another common cause of diarrhea. If you have recently consumed food from an unreliable source or if you have been in close contact with someone who has a gastrointestinal infection, this could also explain your symptoms. Infections typically present with additional symptoms such as fever, nausea, and vomiting.

Stress and anxiety can also play a significant role in digestive health. The gut-brain connection is well-documented, and emotional stress can lead to changes in gut motility, resulting in diarrhea or constipation. If you have been experiencing increased stress or anxiety, this could be contributing to your digestive issues.

Regarding your concern about potential underlying intestinal diseases, it is important to monitor your symptoms. If diarrhea persists for more than a couple of days, or if you experience severe abdominal pain, fever, or blood in your stools, it is crucial to seek medical attention. Conditions such as inflammatory bowel disease (IBD), irritable bowel syndrome (IBS), or infections can lead to chronic diarrhea and require specific treatment.

In the meantime, here are some general recommendations to help manage your symptoms:
1. Stay Hydrated: Diarrhea can lead to dehydration, so it is essential to drink plenty of fluids. Oral rehydration solutions can be particularly helpful as they replace lost electrolytes.

2. Dietary Adjustments: Consider following a bland diet, such as the BRAT diet (bananas, rice, applesauce, toast), which is gentle on the stomach. Avoid greasy, spicy, or high-fiber foods until your symptoms improve.

3. Monitor Symptoms: Keep track of your bowel movements, dietary intake, and any other symptoms you experience. This information can be helpful for your healthcare provider if you need to seek further evaluation.

4. Medications: Over-the-counter medications like loperamide (Imodium) can help reduce diarrhea, but they should be used cautiously, especially if you suspect an infection. Always consult with your healthcare provider before starting any new medication.

5. Consult a Healthcare Provider: If your symptoms do not improve or worsen, it is important to follow up with your doctor. They may recommend further testing, such as stool tests or imaging studies, to rule out any serious conditions.

In summary, while dietary choices can certainly contribute to digestive issues like diarrhea, it is essential to consider other factors such as infections, stress, and underlying health conditions. Monitoring your symptoms and maintaining open communication with your healthcare provider will help ensure you receive appropriate care and guidance.

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