Blood in Stool: Causes and Next Steps After Doctor Visits - Gastroenterology and Hepatology

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Blood in stool (has seen a doctor but has not improved)


About 10 days ago, I started experiencing bloody stools.
Initially, I had severe pain in my lower left abdomen, and after bowel movements, my stools were unformed, resembling mushy consistency, but with bright red streaks of blood surrounding them in a circular pattern.
I consulted a doctor who initially suspected ischemic colitis, but after examining the rectum and colon, they found no issues.
However, after returning home, I continued to have intermittent bloody stools for the next two to three days.
I ruled out ovarian issues (which I have already checked), and when I saw another doctor, they suggested it might be irritable bowel syndrome (IBS).
Currently, my stools still resemble mush, and I continue to experience pain in the same area of my left abdomen.
I would like to know what possible causes there could be, as I have researched that IBS typically does not present with bloody stools.
The blood appears as if it has been scraped or touched something, not entirely red, but rather like a line of color as if it passed through a sauce.
Hemorrhoids shouldn't cause abdominal pain, right? Additionally, I have been feeling a significant pulling sensation in my intestines when using the restroom; it’s not diarrhea, but the stools remain unformed.
Since I have already had the colon examined, what could be causing this, and how should I address it? Thank you for your assistance, doctor!

Zheng Da Pang, 40~49 year old female. Ask Date: 2020/04/17

Dr. Yang Zhichao reply Gastroenterology and Hepatology


Hello Ms.
Zheng, your condition seems to only require a scheduling of a sigmoidoscopy.
It is recommended that you promptly consult a gastroenterologist for further evaluation to rule out any potential issues that may require urgent medical attention.
Thank you for your inquiry.

Reply Date: 2020/04/17

More Info


Understanding blood in stool can be quite alarming, and it’s important to approach this issue with a thorough understanding of potential causes and appropriate next steps. Based on your description, it seems you have been experiencing a combination of symptoms: abdominal pain, changes in stool consistency, and the presence of bright red blood in your stool.
First, let’s address the potential causes of your symptoms. The presence of bright red blood in the stool often indicates that the source of bleeding is in the lower gastrointestinal tract, such as the rectum or colon. Common causes of such bleeding include hemorrhoids, anal fissures, diverticular disease, and inflammatory bowel diseases (IBD) like ulcerative colitis or Crohn’s disease. Given that you have already undergone imaging studies that did not reveal any significant issues, it may be less likely that there is a serious structural problem like a tumor or significant inflammation.

1. Hemorrhoids and Anal Fissures: These are common causes of bright red blood in the stool and can occur alongside symptoms of pain, especially during bowel movements. Hemorrhoids can cause discomfort and may lead to blood streaks on the stool or toilet paper. Anal fissures, which are small tears in the lining of the anus, can also cause sharp pain and bleeding.

2. Diverticulitis: This condition occurs when small pouches (diverticula) in the colon become inflamed or infected. It can cause abdominal pain, changes in bowel habits, and sometimes bleeding.

3. Inflammatory Bowel Disease (IBD): Conditions like ulcerative colitis and Crohn’s disease can lead to symptoms such as abdominal pain, diarrhea, and blood in the stool. These conditions often require further evaluation, including colonoscopy, to diagnose.

4. Irritable Bowel Syndrome (IBS): While IBS typically does not cause blood in the stool, it can lead to significant discomfort and changes in bowel habits. However, the presence of blood should prompt further investigation to rule out other conditions.

Given that you have seen multiple doctors and undergone some diagnostic tests, it is crucial to continue advocating for your health. Here are some recommended next steps:
- Follow-Up with a Gastroenterologist: If you haven’t already, consider seeing a gastroenterologist who specializes in digestive disorders. They may recommend further testing, such as a colonoscopy, to directly visualize the colon and identify any potential sources of bleeding.

- Keep a Symptom Diary: Documenting your symptoms, including the frequency of blood in the stool, associated pain, and any dietary changes, can provide valuable information to your healthcare provider.

- Dietary Considerations: Sometimes, dietary changes can help alleviate symptoms. Increasing fiber intake can help with stool consistency, but if you suspect a specific food triggers your symptoms, consider an elimination diet under the guidance of a healthcare professional.

- Monitor Symptoms: Pay attention to any changes in your symptoms. If you experience worsening pain, increased bleeding, or other concerning symptoms (such as fever or weight loss), seek medical attention promptly.

- Consider Psychological Factors: Stress and anxiety can exacerbate gastrointestinal symptoms. If you feel that stress may be contributing to your condition, discussing this with a mental health professional may also be beneficial.

In conclusion, while the presence of blood in the stool can be concerning, many potential causes are manageable with appropriate medical care. It’s essential to continue working with your healthcare providers to identify the underlying issue and develop an effective treatment plan. Don’t hesitate to seek a second opinion or request further testing if you feel your concerns are not being adequately addressed. Your health is paramount, and persistent symptoms warrant thorough investigation.

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