Is Blood in Stool a Sign of Serious Health Issues? - Surgery

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Blood in the stool?


Hello, doctor.
Recently, I have been experiencing abdominal discomfort before using the restroom, and my stool has been sometimes normal and sometimes loose.
In the past week, I have noticed small red spots the size of goji berries on the surface of my stool.
Could this be a sign of rectal bleeding?

Xiao K, 20~29 year old female. Ask Date: 2016/04/13

Dr. Ke Fangxu reply Surgery


The presence of red spots in the stool does not necessarily indicate bleeding; it is often related to dietary content.
It is advisable to maintain a light diet and uphold a good lifestyle.
If the symptoms persist without improvement, it is best to consult a physician for evaluation.

Reply Date: 2016/04/13

More Info


Blood in stool can indeed be a sign of serious health issues, and it is important to take this symptom seriously. The presence of red spots on your stool, especially if they resemble the size of goji berries, could indicate bleeding in the gastrointestinal tract. This bleeding can originate from various sources, including the upper gastrointestinal tract (such as the esophagus, stomach, or duodenum) or the lower gastrointestinal tract (such as the colon or rectum).

When you experience abdominal discomfort along with changes in your stool consistency—ranging from normal to loose or watery—this could suggest an underlying gastrointestinal issue. The fact that you have noticed red spots on your stool is particularly concerning, as it may indicate that there is blood present. This could be due to several reasons, including:
1. Hemorrhoids: Swollen blood vessels in the rectal area can cause bright red blood on the surface of the stool or in the toilet bowl. This is often accompanied by pain or discomfort during bowel movements.

2. Anal Fissures: Small tears in the lining of the anus can also lead to bleeding, especially if you are experiencing constipation or straining during bowel movements.

3. Gastrointestinal Infections: Certain infections can cause inflammation and bleeding in the intestines, leading to changes in stool appearance and consistency.

4. Diverticular Disease: Diverticulosis, which involves the formation of small pouches in the colon, can sometimes lead to diverticulitis, an inflammation that may cause bleeding.

5. Polyps or Colorectal Cancer: Polyps are growths on the lining of the colon that can bleed. In some cases, they can be precursors to colorectal cancer. Blood in the stool can be one of the symptoms of colorectal cancer, especially if it is accompanied by other symptoms such as weight loss, changes in bowel habits, or abdominal pain.

Given your symptoms, it is crucial to seek medical attention promptly. A healthcare provider will likely recommend a thorough evaluation, which may include a physical examination, a detailed medical history, and possibly diagnostic tests such as a colonoscopy or imaging studies to determine the source of the bleeding.

In the meantime, it is advisable to monitor your symptoms closely. Note any additional changes in your bowel habits, the color and consistency of your stool, and any accompanying symptoms such as weight loss, fatigue, or changes in appetite. This information will be valuable for your healthcare provider in making an accurate diagnosis.

In summary, while blood in the stool can be caused by a variety of conditions, some of which are benign, it can also indicate serious health issues. Therefore, it is essential to consult with a healthcare professional to rule out any significant problems and to receive appropriate treatment based on the underlying cause. Early intervention can be key in managing potential health issues effectively.

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