Blood in Stool and Fever: Causes and Concerns - Gastroenterology and Hepatology

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Fever after passing bloody stools?


Hello, doctor.
I would like to ask about my boyfriend who sometimes has blood in his stool.
He mentioned that he has internal hemorrhoids, which may have ruptured and caused bleeding.
After a short while, he starts to feel cold, has a pale complexion, and his lips turn purple, followed by a high fever.
However, once the fever occurs, he seems to be fine again.
I'm very worried.
What could this condition be, and what tests should be done? Thank you.

Ice, 20~29 year old female. Ask Date: 2013/05/19

Dr. Chen Qifeng reply Gastroenterology and Hepatology


Hello: The main symptoms are bloody stools and fever.
Are these two related, or are they independent issues that need further clarification? The most common cause of bloody stools is indeed hemorrhoids, but if there is a relationship with fever, it is not simply hemorrhoids and requires further diagnosis and treatment.
Wishing you health, Dr.
Chen Qifeng, Taoyuan Hospital, Department of Health.

Reply Date: 2013/05/19

More Info


When it comes to the symptoms your boyfriend is experiencing—specifically, the presence of blood in his stool, followed by chills, pallor, cyanosis (bluish discoloration of the lips), and subsequent fever—there are several potential causes that warrant careful consideration.
Firstly, the presence of blood in the stool can be attributed to a variety of conditions, ranging from benign to serious. The mention of hemorrhoids (internal hemorrhoids) is a common cause of rectal bleeding, especially if there is a history of straining during bowel movements. However, it is essential to note that any instance of blood in the stool should be evaluated by a healthcare professional to rule out more serious conditions such as gastrointestinal bleeding from ulcers, diverticulosis, inflammatory bowel disease (IBD), or even colorectal cancer.

The sequence of symptoms—chills, pallor, and fever—following the episode of bleeding raises additional concerns. Chills and fever can indicate an infection or an inflammatory response in the body. If the bleeding is significant, it could lead to a drop in blood volume, resulting in symptoms like pallor and cyanosis due to reduced oxygen delivery to tissues. This could also trigger a compensatory response from the body, leading to fever as part of the inflammatory process.

Given these symptoms, it is crucial for your boyfriend to seek medical attention promptly. A healthcare provider will likely recommend a thorough evaluation, which may include:
1. Physical Examination: A thorough examination to assess for signs of anemia (pallor, fatigue) and any abdominal tenderness or masses.

2. Blood Tests: Complete blood count (CBC) to check for anemia, infection, or other abnormalities. Blood chemistry tests may also be performed to assess organ function.

3. Stool Tests: Testing the stool for occult blood (hidden blood) and pathogens to determine if there is an infectious cause.

4. Colonoscopy: Depending on the findings, a colonoscopy may be recommended to visualize the colon and rectum directly, allowing for the identification of any lesions, hemorrhoids, or other abnormalities.

5. Imaging Studies: In some cases, imaging studies such as an abdominal ultrasound or CT scan may be necessary to evaluate for any underlying issues.

It is important to address these symptoms without delay, as they could indicate a serious underlying condition. The combination of blood in the stool, fever, and systemic symptoms like chills and cyanosis should not be taken lightly. Early diagnosis and treatment are crucial in managing any potential complications and ensuring your boyfriend's health and safety.

In summary, while hemorrhoids could explain the blood in the stool, the accompanying symptoms suggest a need for further investigation to rule out more serious conditions. Encourage your boyfriend to see a healthcare provider as soon as possible for a comprehensive evaluation and appropriate management.

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