Fecal Occult Blood Test: Concerns and Next Steps - Gastroenterology and Hepatology

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Hello Doctor:
1.
Recently, I underwent a check-up and found a positive fecal occult blood test.
The doctor recommended further colonoscopy, and he prescribed medication for me, but I am afraid of pain and worried about getting sick.
Will taking the medication make the occult blood test result disappear?
2.
If I do not have colon cancer, will other conditions resolve on their own?
3.
I have been experiencing bowel issues for the past two months.
Due to being in a review class, it is inconvenient for me to use the restroom, so I often hold it until I get home.
I suspect this might be the reason for the bleeding, as my routine, diet, and emotions have been normal during these two months.

4.
If I take another fecal occult blood test in a few months and it comes back negative, does that mean I can disregard the previous test results?
Thank you for your answers.
^_______________^

A-K, 20~29 year old female. Ask Date: 2005/12/13

Dr. Chen Zhiping reply Gastroenterology and Hepatology


Reply: Hello,
1.
A positive fecal occult blood test indicates the presence of blood components in the gastrointestinal tract, which may be due to gastrointestinal bleeding or the ingestion of food containing blood.
However, certain foods or medications can cause false positives in this test.
If the aforementioned causes are ruled out, the fecal occult blood should disappear, and it is not related to medication use.

2.
Some conditions, such as hemorrhoidal bleeding, may recur; for instance, bleeding may stop with improved bowel movements.
Similarly, certain types of enteritis can have fluctuating symptoms.

3.
It is advisable to follow up on the fecal occult blood test.
If it remains positive, further investigation is warranted.
If it turns negative, the decision to perform a colonoscopy should be based on your symptoms and family history (such as colorectal cancer or familial adenomatous polyposis).

Sincerely, Dr.
Chen Zhiping, Internal Medicine.

Reply Date: 2005/12/13

More Info


Understanding the results of a fecal occult blood test (FOBT) can be a source of anxiety for many patients, especially when the results indicate the presence of blood in the stool. It is important to approach this situation with a clear understanding of what the test means, the potential implications, and the next steps you should take.

1. Understanding the Fecal Occult Blood Test: The FOBT is a screening tool used to detect hidden (occult) blood in the stool, which can be an indicator of various gastrointestinal issues, including polyps, hemorrhoids, ulcers, or more serious conditions like colorectal cancer. The presence of blood does not automatically mean you have cancer; it can be due to a variety of benign conditions.

2. Concerns About Pain and Procedures: It is understandable to have concerns about undergoing a colonoscopy, especially regarding pain. However, most patients report that the procedure is well-tolerated, particularly because sedation is typically used to minimize discomfort. The benefits of having a colonoscopy, especially after a positive FOBT, far outweigh the temporary discomfort associated with the procedure. It allows for a direct examination of the colon and the opportunity to take biopsies or remove polyps if necessary.

3. Will the Blood Disappear with Medication?: If the blood in your stool is due to a condition like hemorrhoids or a minor gastrointestinal issue, treatment may alleviate the symptoms. However, if the cause is more serious, such as a polyp or cancer, medication alone will not resolve the underlying issue. Therefore, it is crucial to follow through with the recommended colonoscopy to determine the cause of the bleeding.

4. Self-resolution of Other Conditions: While some gastrointestinal issues may resolve on their own, it is not advisable to wait and see, especially after a positive FOBT. Conditions like diverticulosis or inflammatory bowel disease can lead to complications if left untreated. It is essential to have a proper diagnosis to ensure appropriate management.

5. Follow-up Testing: If you choose to wait a few months before retesting with another FOBT, it is possible that the results could differ. However, a negative result does not necessarily negate the previous positive finding. It is crucial to interpret these results in the context of your symptoms and any further investigations. If you experience ongoing symptoms or changes in your bowel habits, it is advisable to seek medical attention sooner rather than later.

In summary, while it is natural to feel anxious about the implications of a positive FOBT, it is essential to approach the situation with a proactive mindset. Undergoing a colonoscopy is a critical step in determining the cause of the bleeding and ensuring your gastrointestinal health. If you have concerns about the procedure, discuss them with your healthcare provider, who can provide reassurance and information about pain management options. Remember, early detection and intervention are key to effectively managing any potential issues.

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