Dark Red Blood in Stool and Right Lower Abdominal Pain - Surgery

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Dark red blood in stool + sharp pain in the lower right abdomen, resolved the next day?


Hello Doctor, due to work commitments, I am unable to take time off and would like to consult you here.
Last night, when I had a bowel movement, my stool was very hard and formed into two dry, shaped pieces, but one of them had dark red blood on the yellowish stool, while the other piece did not show much blood.
The color of the stool was mostly yellowish.
Previously, my bowel movements were normal, but I have experienced fresh blood and anal itching during bowel movements, which I suspect is due to prolonged sitting at work.
However, this time the blood was dark red, so I am a bit concerned.
My diet consists of a large hot latte from a convenience store and a sandwich for breakfast, company-ordered lunch boxes for lunch, and mainly bento boxes for dinner.
I try to drink about 1500cc of water daily.
Today, the sharp pain in my lower right abdomen has subsided, but I still feel some urge to go.
The stool that came out was only a few small yellowish strips.
Please advise, thank you.

Mr. Chen, 20~29 year old female. Ask Date: 2018/10/30

Dr. Xu Kaixi reply Surgery


Blood in the stool is an abnormal symptom that can range from common hemorrhoids to other serious gastrointestinal diseases.
Based on your description, the likelihood of inflammation and bleeding from hemorrhoids is the highest.
If it does not improve over time, it is recommended that you visit a hospital's surgical or gastroenterology department for further examination.

Reply Date: 2018/10/30

More Info


The symptoms you are describing, particularly the presence of dark red blood in your stool and right lower abdominal pain, warrant careful consideration. The combination of hard stools, blood, and abdominal discomfort can indicate several potential issues, primarily related to the gastrointestinal tract.

Firstly, the dark red blood in your stool could suggest a few different conditions. One of the most common causes of blood in the stool, especially when accompanied by hard stools, is hemorrhoids. Hemorrhoids can occur due to straining during bowel movements, which is often exacerbated by constipation or hard stools. The blood from hemorrhoids is typically bright red, but if there is significant bleeding or if the blood is mixed with stool, it can appear darker.
Another possibility is anal fissures, which are small tears in the lining of the anus that can occur when passing hard stools. These can cause sharp pain and bleeding during bowel movements, and the blood may appear bright red.
However, the presence of dark red blood could also indicate bleeding from higher up in the gastrointestinal tract, such as the colon or even the small intestine. Conditions such as diverticulitis, inflammatory bowel disease (IBD), or even colorectal polyps or cancer can lead to such symptoms, although these are less common in younger individuals.

Your mention of right lower abdominal pain is also significant. This area of the abdomen is where the appendix is located, and pain in this region can sometimes indicate appendicitis, especially if it is accompanied by other symptoms like fever, nausea, or vomiting. However, since you mentioned that the pain has subsided, this may be less likely.

Given your dietary habits, it’s worth noting that a diet low in fiber can contribute to constipation and hard stools. While you are drinking a reasonable amount of water, it may be beneficial to increase your intake of dietary fiber through fruits, vegetables, and whole grains. This can help soften your stools and reduce straining during bowel movements.

In terms of immediate recommendations, here are a few steps you can take:
1. Increase Fiber Intake: Aim to include more fruits, vegetables, and whole grains in your diet. This can help prevent constipation and reduce the risk of hemorrhoids and fissures.

2. Stay Hydrated: Continue to drink plenty of water, as hydration is crucial for maintaining healthy bowel movements.

3. Avoid Straining: When you feel the urge to go, try not to delay it. Straining can exacerbate hemorrhoids and lead to further complications.

4. Monitor Symptoms: Keep an eye on your symptoms. If the bleeding continues, worsens, or if you experience additional symptoms such as severe abdominal pain, fever, or changes in bowel habits, it’s important to seek medical attention promptly.

5. Consider Over-the-Counter Remedies: If you suspect hemorrhoids or fissures, over-the-counter treatments such as topical creams or stool softeners may provide relief.

6. Consult a Healthcare Professional: Given your symptoms, it would be prudent to consult a healthcare professional for a thorough evaluation. They may recommend tests such as a colonoscopy or imaging studies to rule out more serious conditions.

In conclusion, while your symptoms may be related to benign conditions like hemorrhoids or fissures, the presence of blood in the stool should always be taken seriously. It’s essential to address these symptoms with a healthcare provider who can provide a proper diagnosis and treatment plan tailored to your specific situation.

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