Rectal Issues: Blood in Stool or Digestive Problems? - Surgery

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Colorectal issues


In recent weeks, I have noticed that my stool contains something resembling red chili flakes after bowel movements.
I usually experience constipation, and my bowel habits have not changed significantly.
Occasionally, I feel a dull sensation in my lower left abdomen, which I am unsure if it is psychological.
I would like to ask the doctor whether this could be a sign of incomplete digestion or if it might be a type of blood in the stool.
Thank you.

Huang, 20~29 year old female. Ask Date: 2023/01/04

Dr. Zhang Shuhao reply Surgery


If the red, flat lesions are mostly related to food residues, you can observe whether there is black stool or brick-red stool, and whether there is accompanying anal pain during bowel movements, as well as symptoms like bloating or abdominal pain.
If these symptoms persist, it is advisable to consult a gastroenterologist or a family medicine physician to determine if further examination is needed.

Reply Date: 2023/01/04

More Info


When it comes to rectal issues, particularly the presence of blood in the stool or unusual substances resembling red pepper flakes, it is crucial to approach the situation with caution and seek professional medical advice. The symptoms you describe, including the presence of red particles in your stool and occasional discomfort in the left lower abdomen, could indicate a variety of gastrointestinal issues, ranging from benign to more serious conditions.

Firstly, the appearance of red particles in your stool could be due to several factors. One possibility is that these particles are undigested food, particularly if you have recently consumed foods that are red or have a similar texture. Foods like tomatoes, red bell peppers, or even certain spices can sometimes pass through the digestive system without being fully broken down, leading to their appearance in your stool. However, if the particles are indeed blood, this could signify a more serious issue that requires immediate attention.

Blood in the stool can manifest in different forms. Bright red blood typically indicates bleeding from the lower gastrointestinal tract, such as the rectum or colon, while darker blood may suggest bleeding from higher up in the digestive system. Conditions such as hemorrhoids, anal fissures, diverticulosis, or even more serious issues like colorectal cancer can cause blood to appear in the stool. Given your history of constipation, it is also possible that straining during bowel movements could lead to the development of hemorrhoids or fissures, which can cause bleeding.

The occasional discomfort in your left lower abdomen could be related to several factors, including constipation, gas, or even muscle strain. However, if this discomfort persists or worsens, it is essential to have it evaluated by a healthcare professional.

In your case, it is advisable to schedule an appointment with a gastroenterologist or your primary care physician. They may recommend a thorough evaluation, which could include a physical examination, a review of your medical history, and possibly diagnostic tests such as a colonoscopy or imaging studies. These tests can help determine the cause of your symptoms and rule out any serious conditions.

In the meantime, consider keeping a food diary to track your diet and any associated symptoms. This information can be valuable for your healthcare provider in understanding potential dietary triggers or patterns related to your bowel movements. Additionally, maintaining a high-fiber diet, staying hydrated, and engaging in regular physical activity can help alleviate constipation and improve your overall digestive health.

In summary, while the symptoms you are experiencing could be related to benign causes, it is essential to approach them seriously, especially when blood is involved. Prompt medical evaluation is crucial to ensure that any underlying conditions are identified and treated appropriately. Do not hesitate to seek medical attention, as early intervention can lead to better outcomes and peace of mind.

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