Blood in Stool: Causes and Concerns for Your Health - Family Medicine

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Bleeding during bowel movements?


For two years, I experienced rectal bleeding for the first time, which was bright red, and I also had constipation.
I thought it was hemorrhoids, but after the bleeding, I started having a high fever that wouldn't subside, eventually leading to hospitalization due to persistent fever ranging from 39 to 40 degrees Celsius, along with severe headaches.
I underwent a full-body examination at National Taiwan University Hospital to determine the cause of the bleeding, but they said they couldn't find a reason, possibly attributing it to prolonged constipation.
During my hospital stay, my white blood cell count inexplicably increased and wouldn't decrease.
After receiving a large amount of antibiotics and taking many pain relievers, my headaches finally stopped, and my fever subsided.
However, upon discharge, the hospital still couldn't identify the cause.

Now, more than a year and almost two years later, I initially thought it was hemorrhoids, but it turned out not to be the case.
I only know that I have intermittent bowel movements mixed with bright red blood.
It has been two years, and recently I started experiencing rectal bleeding again, accompanied by discomfort in my gastrointestinal area after bowel movements.
Over the past two years, I have also had intermittent vomiting, especially recently, and I find myself becoming forgetful and feeling particularly fatigued.
I would like to ask if anyone can tell me what is happening to my body?

Rui Xian, 30~39 year old female. Ask Date: 2007/09/04

Dr. Lai Junlong reply Family Medicine


Hello: In response to your question, experiencing bleeding during bowel movements is something that should not be ignored.
There are many possible causes, including hemorrhoidal bleeding, anal fissures, or growths in the intestines.
The hospital where you were last admitted should have a summary of your medical history; you can ask your physician to explain the reasons and conditions related to your previous hospitalization, so there’s no need to worry or overthink it.
If the bleeding persists and the cause remains unidentified, further examinations may be necessary, such as a colonoscopy.
In summary, blood in the stool is a serious issue that should not be taken lightly; even if it is due to hemorrhoids, proper treatment and management are essential.
It is advisable to first consult a family medicine physician to identify the cause, or seek care from a gastroenterologist or colorectal surgeon.

Reply Date: 2007/09/04

More Info


Understanding blood in stool can be a concerning and complex issue, especially when it is accompanied by other symptoms such as fever, abdominal discomfort, and changes in bowel habits. Based on your description, it seems you have been experiencing recurrent episodes of bright red blood in your stool, along with significant systemic symptoms like high fever and severe headaches.
The presence of bright red blood in the stool often indicates that the bleeding is occurring in the lower gastrointestinal tract, which includes the colon and rectum. Common causes of this type of bleeding can include hemorrhoids, anal fissures, diverticular disease, inflammatory bowel disease (IBD), or even colorectal polyps or cancer. Given that you have experienced these symptoms intermittently over two years, it is crucial to consider both benign and serious underlying conditions.

Your history of fever and elevated white blood cell counts suggests that there may have been an infectious or inflammatory process occurring at some point. The fact that you were treated with antibiotics and pain medications indicates that your healthcare providers were concerned about a possible infection or significant inflammation. However, the inability to pinpoint the exact cause of your symptoms during your hospitalization raises the need for further investigation.

The recurrent nature of your symptoms, particularly the blood in your stool and the gastrointestinal discomfort, warrants a thorough evaluation. It is essential to rule out conditions such as:
1. Hemorrhoids: These are swollen veins in the rectum or anus that can cause bleeding, especially during bowel movements. They are often associated with constipation and straining.

2. Anal Fissures: Small tears in the lining of the anus can also lead to bright red blood during bowel movements, often accompanied by pain.

3. Diverticulitis: Inflammation or infection of diverticula (small pouches that can form in the colon) can cause bleeding and abdominal pain.

4. Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can lead to chronic inflammation, bleeding, and other systemic symptoms.

5. Colorectal Polyps or Cancer: Although less common, especially in younger individuals, these can present with rectal bleeding and should be ruled out, particularly if there are changes in bowel habits or unexplained weight loss.

Given your symptoms of fatigue, forgetfulness, and vomiting, it is also important to consider systemic issues that may be affecting your overall health. Chronic blood loss can lead to anemia, which could explain your fatigue and cognitive changes.
I recommend that you seek a gastroenterology consultation if you have not already done so. A thorough evaluation may include:
- Colonoscopy: This procedure allows direct visualization of the colon and rectum and can help identify sources of bleeding, such as polyps or lesions.

- Imaging Studies: CT scans or ultrasounds may be useful to assess for diverticulitis or other abdominal issues.

- Laboratory Tests: Complete blood counts, inflammatory markers, and stool tests can provide additional information about your health status.

It is crucial to address these symptoms promptly, as they can indicate underlying conditions that may require treatment. Keeping a detailed record of your symptoms, including when they occur and any associated factors (such as diet or stress), can be helpful for your healthcare provider in making a diagnosis.
In summary, while some causes of blood in the stool may be benign, the combination of your symptoms suggests that further investigation is warranted. Do not hesitate to advocate for your health and seek the necessary evaluations to get to the bottom of your symptoms.

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