Gastrointestinal Issues: Blood in Stool and Abdominal Pain - Gastroenterology and Hepatology

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Gastrointestinal issues


I often experience bloody stools and abdominal pain accompanied by diarrhea.
Why did the doctor ask me if I frequently take weight loss pills or traditional Chinese medicine during the colon examination, and why did the examination extend from the colon to the small intestine? Does this indicate a specific condition in my gastrointestinal tract?

Corrine, 20~29 year old female. Ask Date: 2018/03/01

Dr. Lin Minghui reply Gastroenterology and Hepatology


Hello: You have symptoms of blood in the stool and abdominal pain.
It is advisable to consult a physician for clearer examination results regarding your colonoscopy.
For reference, based on general clinical experience: abnormal bowel movements can be related to medication history, as long-term use of laxatives can lead to pigment deposition in the colonic mucosa.
If pigment deposition is observed during a colonoscopy, the medication history will be inquired about.
A routine colonoscopy typically examines up to the cecum, and it is more challenging to advance into the small intestine to view the terminal ileum.
If there are indications, further examination of the terminal ileum may be performed.
Wishing you peace and health! Sincerely, Dr.
Ming-Hui Lin, Attending Physician, Gastroenterology Department, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2018/03/01

More Info


When experiencing gastrointestinal issues such as blood in the stool and abdominal pain, it is crucial to understand the potential underlying causes and the implications of the symptoms. Blood in the stool, also known as hematochezia, can arise from various conditions affecting the gastrointestinal tract, ranging from benign to serious. Abdominal pain accompanying these symptoms further complicates the clinical picture and necessitates a thorough evaluation.

The fact that your doctor inquired about your use of weight loss medications or herbal remedies during your colon examination suggests that they are considering the possibility of medication-related gastrointestinal issues. Certain weight loss drugs and herbal supplements can lead to gastrointestinal side effects, including irritation of the intestinal lining, which may result in bleeding. Additionally, some herbal products can interact with other medications or exacerbate existing gastrointestinal conditions, leading to complications such as ulcers or inflammation.

The examination extending from the colon to the small intestine indicates that your healthcare provider is taking a comprehensive approach to assess your gastrointestinal health. This may be due to the presence of symptoms that could suggest conditions affecting both the small and large intestines, such as inflammatory bowel disease (IBD), infections, or even malignancies. Conditions like Crohn's disease, which can affect any part of the gastrointestinal tract, including the small intestine, may present with abdominal pain and blood in the stool.

In terms of what your symptoms might indicate, several possibilities exist:
1. Hemorrhoids or Anal Fissures: These are common causes of blood in the stool, especially if the blood is bright red and appears on the toilet paper or in the stool. They can be exacerbated by straining during bowel movements, which may also cause abdominal pain.

2. Gastrointestinal Infections: Bacterial, viral, or parasitic infections can lead to diarrhea, abdominal pain, and blood in the stool. These infections can be acute and often resolve with appropriate treatment.

3. Inflammatory Bowel Disease (IBD): Conditions such as ulcerative colitis and Crohn's disease can cause chronic abdominal pain, diarrhea, and blood in the stool. These conditions require long-term management and monitoring.

4. Diverticular Disease: Diverticulitis, an inflammation of diverticula in the colon, can lead to abdominal pain and bleeding. This condition is often associated with dietary factors and age.

5. Colorectal Cancer: While less common in younger individuals, colorectal cancer can present with blood in the stool and abdominal pain. This is why thorough screening and diagnostic procedures are essential, especially if symptoms persist.

6. Peptic Ulcers: Ulcers in the stomach or duodenum can cause abdominal pain and may lead to gastrointestinal bleeding, which could manifest as blood in the stool.

Given the complexity of your symptoms and the potential for serious underlying conditions, it is essential to follow up with your healthcare provider for further evaluation and management. Diagnostic tests such as a colonoscopy, endoscopy, imaging studies, and laboratory tests may be necessary to determine the exact cause of your symptoms.

In conclusion, blood in the stool and abdominal pain are significant symptoms that warrant careful investigation. The inquiry about your use of weight loss medications and the extension of the examination to the small intestine indicate that your healthcare provider is taking a thorough and cautious approach to your gastrointestinal health. It is crucial to communicate openly with your doctor about your symptoms, lifestyle, and any medications you are taking to facilitate an accurate diagnosis and appropriate treatment plan.

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