Blood-Streaked Mucus in Stool: Causes and Concerns - Gastroenterology and Hepatology

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Large amounts of mucus mixed with blood?


Two nights ago, I ate a lot of food, and that night I started experiencing abdominal pain and diarrhea (the stools were soft but formed).
The next afternoon, I suddenly began passing stools that contained bloody mucus, and each bowel movement has had this bloody mucus.
I’m not sure if it’s psychological, but I initially lost my appetite and have been feeling bloated and uncomfortable.
This has continued until today, with mucus still appearing, sometimes in significant amounts.
The color seems to be primarily yellow-green, mixed with red blood.
I have never experienced mucus with blood before, and I am really anxious.
I looked online and found scary things like colorectal cancer and inflammatory bowel disease.
I haven’t been able to eat anything for the past few days, and my mood is very low.
However, I had a colonoscopy just three months ago, which was completely normal, although there were some internal hemorrhoids.
Is it possible for something like colorectal cancer or inflammatory bowel disease to suddenly develop within three months? I am really anxious.
Thank you, doctor.

Miao, 20~29 year old female. Ask Date: 2022/08/02

Dr. Chen Shidian reply Gastroenterology and Hepatology


A medical examination can determine the cause, and it is likely to be inflammatory in nature.

Reply Date: 2022/08/02

More Info


Blood-streaked mucus in stool can be a concerning symptom, and it’s understandable that you are feeling anxious about it. Let’s break down the potential causes and what you should consider moving forward.

First, it’s important to understand that the presence of blood in your stool, especially when accompanied by mucus, can indicate several conditions. Some of the more common causes include:
1. Hemorrhoids: These are swollen veins in the lower rectum or anus that can cause bleeding during bowel movements. The blood is usually bright red and may be seen on the toilet paper or mixed with the stool.

2. Anal fissures: Small tears in the lining of the anus can occur due to passing hard stools. This can also lead to bright red blood and discomfort.

3. Gastrointestinal infections: Bacterial, viral, or parasitic infections can cause diarrhea and may lead to the presence of blood and mucus in the stool. This is often accompanied by other symptoms such as fever, abdominal pain, and cramping.

4. Inflammatory bowel disease (IBD): Conditions like Crohn's disease and ulcerative colitis can cause inflammation in the digestive tract, leading to symptoms such as diarrhea, abdominal pain, and blood-streaked mucus.

5. Diverticulitis: This condition involves inflammation or infection of small pouches that can form in the walls of the colon. It can cause abdominal pain, fever, and changes in bowel habits, including blood in the stool.

6. Colorectal cancer: While it’s less common, especially in younger individuals, blood in the stool can be a sign of colorectal cancer. However, given that you had a colonoscopy three months ago that was normal, this is less likely, but not impossible.

Given your recent colonoscopy, it’s unlikely that a significant change, such as the development of cancer, would occur so quickly. However, the presence of blood and mucus is still a signal that something is not right, and it warrants further investigation.


Recommendations:
1. Consult a Healthcare Professional: It’s crucial to reach out to your healthcare provider as soon as possible. They may recommend further testing, such as a repeat colonoscopy, stool tests, or imaging studies, to determine the cause of your symptoms.

2. Monitor Symptoms: Keep track of any additional symptoms you may experience, such as changes in bowel habits, weight loss, fever, or worsening abdominal pain. This information can be helpful for your doctor.

3. Diet and Hydration: While you may be feeling anxious and have a decreased appetite, try to stay hydrated and consume easily digestible foods. Avoiding irritants such as caffeine, alcohol, and spicy foods may also help.

4. Mental Health: Anxiety about health issues can exacerbate physical symptoms. Consider speaking with a mental health professional or utilizing relaxation techniques to help manage your stress.

5. Follow-Up: If your symptoms persist or worsen, don’t hesitate to seek immediate medical attention. It’s better to err on the side of caution when it comes to gastrointestinal symptoms.

In conclusion, while the presence of blood-streaked mucus in your stool can be alarming, there are several potential causes, many of which are treatable. The best course of action is to consult with a healthcare professional who can provide a thorough evaluation and appropriate management based on your specific situation. Remember, early intervention is key to addressing any underlying issues effectively.

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