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

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I have been experiencing diarrhea for almost a month?


Hello Doctor: I have been experiencing diarrhea for about a month.
Initially, it would occur whenever I drank coffee, but now it seems that I have loose stools every time I use the restroom.
Sometimes it is watery and accompanied by stomach acid and bloating.
I am currently taking traditional Chinese medicine, which has helped make my stools less watery.
However, when I eat too much, my bowel movements are often watery.
Additionally, a few days before my menstrual period, I notice that my stools appear yellow and there is no bleeding.
I would like to ask for your opinion on whether this is just my imagination, a bacterial infection, or if there is a genuine issue with my gastrointestinal tract.
Thank you! ^_^😁

Chou, 10~19 year old female. Ask Date: 2023/05/10

Dr. Hu Guozheng reply Gastroenterology and Hepatology


Hello, it is recommended to visit the hepatobiliary and gastroenterology outpatient clinic for evaluation.
Thank you.

Reply Date: 2023/05/10

More Info


Prolonged diarrhea can be a distressing condition that significantly impacts daily life and overall health. Understanding the underlying causes and potential solutions is crucial for effective management. Based on your description, it seems you have been experiencing diarrhea for about a month, with symptoms that include watery stools, gastric acid, and bloating. You also mentioned that your symptoms worsen after consuming coffee and when you eat too much. Additionally, you noted a change in stool color and consistency around your menstrual cycle.

There are several potential causes for prolonged diarrhea, and they can be broadly categorized into infectious, inflammatory, functional, and dietary factors.
1. Infectious Causes: Bacterial infections (such as those caused by E. coli, Salmonella, or Campylobacter) are common culprits for acute diarrhea. If you have recently traveled or consumed food from questionable sources, this could be a possibility. Viral infections, such as norovirus, can also lead to diarrhea.
2. Inflammatory Causes: Conditions like inflammatory bowel disease (IBD), which includes Crohn's disease and ulcerative colitis, can cause prolonged diarrhea along with abdominal pain and other gastrointestinal symptoms. These conditions often require more extensive evaluation and management by a gastroenterologist.

3. Functional Disorders: Irritable bowel syndrome (IBS) is a functional gastrointestinal disorder that can cause symptoms like diarrhea, bloating, and abdominal discomfort. Stress and dietary triggers often exacerbate these symptoms.
4. Dietary Factors: Certain foods and beverages can irritate the gastrointestinal tract. Coffee, for instance, is known to stimulate bowel activity and can lead to diarrhea in some individuals. Additionally, high-fat foods, dairy products, and artificial sweeteners can also contribute to gastrointestinal upset.

5. Hormonal Influences: You mentioned that your symptoms seem to correlate with your menstrual cycle. Hormonal fluctuations can affect gastrointestinal motility and sensitivity, leading to changes in bowel habits.

Given your symptoms, here are some recommendations:
- Dietary Adjustments: Consider keeping a food diary to identify any specific triggers that may worsen your symptoms. Reducing or eliminating caffeine, high-fat foods, and dairy products may help. Instead, focus on a balanced diet rich in fiber, which can help regulate bowel movements.

- Hydration: Prolonged diarrhea can lead to dehydration, so it's essential to maintain adequate fluid intake. Oral rehydration solutions can be beneficial if diarrhea persists.

- Probiotics: Incorporating probiotics into your diet may help restore the balance of gut bacteria, especially after a bout of diarrhea. Yogurt with live cultures or probiotic supplements can be beneficial.

- Medical Evaluation: Since your symptoms have persisted for a month, it is advisable to consult a healthcare professional for a thorough evaluation. This may include stool tests to check for infections, blood tests to rule out inflammatory conditions, and possibly imaging studies or endoscopy if indicated.

- Medication Review: If you are taking any medications, including herbal remedies, discuss them with your healthcare provider, as some can cause gastrointestinal side effects.

In conclusion, while your symptoms may be related to dietary choices or stress, it is essential to rule out any underlying medical conditions. A healthcare professional can provide a tailored approach to your situation, ensuring that you receive the appropriate care and management for your prolonged diarrhea.

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