Blood in Stool After Bowel Movement: Causes and When to Seek Help - Gastroenterology and Hepatology

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Blood in the stool after a bowel movement?


Hello, doctor.
This afternoon, after suddenly drinking a cold beverage following work, I experienced diarrhea.
I had already used the restroom once in the morning, and because the stool was quite large, I felt pain in my anus, and there was blood upon wiping.
Later in the afternoon, during another episode of diarrhea, I noticed red blood in the toilet water, along with increased pain in my anus.
Could this indicate a serious gastrointestinal issue? I am still in college and usually do not consume a lot of heavy foods.
This is the first time I've encountered such a situation, and I am very scared.
I kindly request your consultation.
Thank you, doctor.

Niming, 10~19 year old female. Ask Date: 2018/11/24

Dr. Cai Anshun reply Gastroenterology and Hepatology


Hello: It could be an anal fissure, or it may be bleeding from an existing hemorrhoid.
If it persists, you can consult a colorectal specialist or a gastroenterologist at Changhua Hospital to address your health concerns.
Dr.
Tsai An-shun.

Reply Date: 2018/11/24

More Info


Experiencing blood in your stool after a bowel movement can be alarming, especially if it is accompanied by pain. There are several potential causes for this symptom, and understanding them can help you determine the appropriate course of action.

One common cause of blood in the stool, particularly if it is bright red, is hemorrhoids. Hemorrhoids are swollen blood vessels in the rectal area that can become inflamed or rupture, especially after straining during a bowel movement. Given that you mentioned having a painful bowel movement and a large stool, it is possible that straining could have contributed to the bleeding. Hemorrhoids can cause discomfort, itching, and bleeding, and they are often exacerbated by constipation or diarrhea.

Another possible cause is anal fissures, which are small tears in the lining of the anus. These can occur due to passing large or hard stools, leading to pain and bleeding during bowel movements. The pain you described, especially if it worsens during bowel movements, could indicate an anal fissure.

In some cases, blood in the stool can be a sign of more serious gastrointestinal issues, such as diverticulosis, inflammatory bowel disease (IBD), or even colorectal cancer. However, these conditions are less common in younger individuals, especially if you have no significant risk factors or a family history of such diseases.

Given your symptoms, here are some recommendations:
1. Monitor Your Symptoms: Keep track of any additional symptoms, such as changes in bowel habits, abdominal pain, weight loss, or changes in appetite. This information can be helpful for your healthcare provider.

2. Hydration and Diet: Ensure you are drinking plenty of fluids, especially if you are experiencing diarrhea. A diet high in fiber can help prevent constipation and reduce straining during bowel movements. Foods like fruits, vegetables, whole grains, and legumes are beneficial.

3. Avoid Straining: If you have to use the bathroom, try to relax and avoid straining. If you feel constipated, consider using over-the-counter stool softeners or fiber supplements after consulting with a healthcare provider.

4. Seek Medical Attention: Since you are experiencing pain and visible blood in your stool, it is important to consult a healthcare professional. They can perform a physical examination and may recommend further tests, such as a colonoscopy, to rule out any serious conditions.

5. Avoid Certain Foods: If you suspect that certain foods or drinks (like cold beverages) may be triggering your symptoms, consider avoiding them temporarily to see if your condition improves.

In summary, while hemorrhoids or anal fissures are common causes of blood in the stool, it is essential to consult with a healthcare provider to rule out any serious conditions. Early intervention can help manage your symptoms and prevent complications. Don't hesitate to seek help, as your health and peace of mind are important.

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