Digestive Issues: Causes of Diarrhea and Blood in Stool

Bowel issues

Hello Doctor: I have been experiencing some bowel issues in the past few days.
On the first day, I only had one bowel movement, and the stool was somewhat loose.
However, when I wiped, there was a bit of blood on the toilet paper (the process was somewhat painful, and I noticed a sharp piece in the stool when I checked it with chopsticks).
The next morning, I had a normal bowel movement, but in the afternoon, I had 4 to 5 episodes of watery diarrhea within a short span of an hour, and there were corn kernels in the toilet (from dinner two nights ago).
I couldn't take it anymore and took the anti-diarrheal medication prescribed by the clinic (as I had also experienced diarrhea two weeks prior).
After that, I did not have any more diarrhea symptoms.
The next morning, I had a bowel movement at my usual time, which was loose and coffee-colored.
About three hours later, I had another bowel movement, which was watery (yellow in color) with only a small amount of stool at the bottom of the toilet, so I took the anti-diarrheal medication immediately.

Could you please explain why I keep having watery diarrhea? I am somewhat overweight but have been exercising regularly for the past two months.
I started monitoring my stool because earlier this year, after taking a certain enzyme supplement, I experienced 5 to 6 bowel movements a day for two weeks and noticed white, fluffy substances in the toilet, which scared me into stopping the supplement.
Recently, I have been dieting and eating more raw vegetables and fruits, reducing my intake of rice and meat compared to before, and I am also eating less greasy food.

Could it be that the previous enzyme supplement caused my gastrointestinal tract to become sensitive, leading to this ongoing diarrhea? I found some symptoms online that suggest colon cancer, and I am concerned because my maternal grandfather and his brother (in their 30s) passed away from colon cancer.
However, my uncle did not eat vegetables or fruits, frequently consumed fried and barbecued foods, often stayed up late, and had habits of drinking, smoking, and betel nut chewing.
Therefore, I am uncertain whether developing colon cancer at such an early age is due to genetic factors or lifestyle choices.

I would appreciate your response.
Thank you!

Niming, 20~29 year old female. Ask Date: 2024/05/03

Dr. Yang Zhichao reply Gastroenterology and Hepatology

It is recommended to see a gastroenterologist for an examination.

Reply Date: 2024/05/03

More Info

When it comes to digestive issues, particularly diarrhea and the presence of blood in the stool, there are several potential causes that need to be considered. Your symptoms, including the intermittent diarrhea, blood on the toilet paper, and the presence of corn in your stool, suggest that there may be a few different factors at play.

Firstly, the blood you observed on the toilet paper could be indicative of a few conditions. One common cause is hemorrhoids, which can occur due to straining during bowel movements, especially if you have been experiencing loose stools. Hemorrhoids are swollen veins in the lower rectum and anus that can bleed, particularly when irritated. Another possibility is anal fissures, which are small tears in the lining of the anus that can occur during the passage of hard or large stools, causing pain and bleeding.

The fact that you experienced a sudden onset of diarrhea, particularly after consuming a high-fiber diet with increased fruits and vegetables, could also suggest a sensitivity or intolerance to certain foods. If you recently increased your intake of raw vegetables and fruits, your digestive system might be reacting to the sudden change, leading to diarrhea. Additionally, if you have been consuming a lot of enzymes or supplements, this could also impact your gut flora and digestive processes, potentially leading to diarrhea.

The presence of corn in your stool is not uncommon, as corn is high in fiber and can sometimes pass through the digestive system undigested. However, if you are noticing a change in your stool consistency and frequency, it is important to monitor these changes closely.

Regarding your concerns about colorectal cancer, it is understandable to be worried, especially given your family history. While a family history of colorectal cancer can increase your risk, it is important to note that many other factors contribute to the development of this disease, including diet, lifestyle, and overall health. The symptoms you are experiencing do not definitively indicate cancer, but they warrant further investigation, especially considering your family history.

If your diarrhea persists or if you continue to see blood in your stool, it is crucial to seek medical attention. A healthcare provider may recommend tests such as a stool analysis, colonoscopy, or imaging studies to rule out any serious conditions. They can also provide guidance on dietary changes and recommend treatments to manage your symptoms.

In summary, while your symptoms could be related to dietary changes, hemorrhoids, or anal fissures, it is essential to consult with a healthcare professional for a thorough evaluation. They can help determine the underlying cause of your symptoms and recommend appropriate treatment options. It is always better to err on the side of caution, especially when it comes to digestive health.

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