Blood in Stool: Causes, Symptoms, and Dietary Tips - Gastroenterology and Hepatology

Q: Blood in Stool: Causes, Symptoms, and Dietary Tips

Hello： If the color of the stool is normal but there is bright red blood, it may be due to anal fissures, hemorrhoids, or injury to the mucosa near the anus. <br>It is advisable to consume a light diet, reduce foods that boost energy, and avoid spicy and fried foods initially. <b

Rectal bleeding

Hello, doctor.
My usual bowel habit is once every two days.
Recently, I haven't eaten any particularly spicy foods or large amounts of meat.
However, this afternoon I suddenly experienced abdominal pain, similar to the pain associated with diarrhea.
After using the restroom, I noticed blood in my stool, which was soft.
Shortly after, I went again and noticed that straining also resulted in a liquid-like blood discharge.
There is no pain in the anal area; the main discomfort is in my abdomen, and I have no history of hemorrhoids.

The description of the blood in my stool is as follows: there are streaks of blood on the surface of the stool, which feels slightly mucous.
When the pain is more intense, the blood separates from the stool in drops.
When I wipe, there is some blood on the toilet paper, but it's not a large amount—just about a drop, and it's quite faint.

Could you please advise what symptoms this might indicate? Also, what kind of diet would be appropriate for me at this time? Thank you for your response, and I appreciate your help!

Ms. Huang, 20~29 year old female. Ask Date: 2023/03/21

Dr. Cai Anshun reply Gastroenterology and Hepatology

Hello: If the color of the stool is normal but there is bright red blood, it may be due to anal fissures, hemorrhoids, or injury to the mucosa near the anus.
It is advisable to consume a light diet, reduce foods that boost energy, and avoid spicy and fried foods initially.
If there is recurrent bleeding, you should consult a gastroenterologist or a colorectal specialist.
Changhua Hospital cares about your health.
Dr.
Tsai An-shun.

Reply Date: 2023/03/21

More Info

Understanding blood in stool can be concerning, and it’s important to approach this issue with care. Based on your description, it seems you are experiencing abdominal pain accompanied by the passage of blood in your stool, which is soft and has some mucus. The fact that you do not have a history of hemorrhoids and that the blood appears to be more of a streak or drop rather than a large amount is noteworthy.

There are several potential causes for blood in the stool, and they can range from benign to more serious conditions. Some common causes include:
1. Gastrointestinal Infections: Bacterial, viral, or parasitic infections can lead to inflammation of the intestines, resulting in symptoms such as abdominal pain, diarrhea, and blood in the stool. This is particularly relevant if you have had any recent changes in diet or exposure to contaminated food or water.

2. Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can cause inflammation in the gastrointestinal tract, leading to symptoms such as abdominal pain, diarrhea, and blood in the stool. These conditions often require medical evaluation and management.

3. Diverticular Disease: Diverticulitis, which occurs when diverticula (small pouches in the colon) become inflamed, can also cause abdominal pain and bleeding.

4. Polyps or Colorectal Cancer: Although less common, especially in younger individuals, polyps or malignancies in the colon can lead to bleeding. This is more likely if there are other risk factors present.

5. Anal Fissures: Although you mentioned no pain in the anal area, small tears in the lining of the anus can sometimes cause bleeding, particularly if there is straining during bowel movements.

Given your symptoms, it is crucial to seek medical attention promptly. A healthcare provider may recommend a physical examination, laboratory tests, and possibly imaging studies or a colonoscopy to determine the underlying cause of the bleeding.

In the meantime, regarding dietary recommendations, here are some tips that may help:
- Stay Hydrated: Drink plenty of fluids to prevent dehydration, especially if you are experiencing diarrhea. Water, clear broths, and electrolyte solutions can be beneficial.

- Bland Diet: Consider a bland diet that includes foods like bananas, rice, applesauce, and toast (often referred to as the BRAT diet). These foods are gentle on the stomach and can help firm up stools.

- Avoid Irritants: Stay away from spicy foods, caffeine, alcohol, and high-fat foods, as these can exacerbate gastrointestinal symptoms.

- Increase Fiber Gradually: If you are not experiencing severe diarrhea, gradually increasing fiber intake can help normalize bowel movements. Foods rich in fiber include fruits, vegetables, and whole grains.

- Monitor Symptoms: Keep track of any changes in your symptoms, including the frequency and appearance of your stools, as well as any additional symptoms like fever or weight loss.

It is essential to remember that while dietary changes can provide some relief, they are not a substitute for medical evaluation and treatment. Blood in the stool should always be taken seriously, and timely medical intervention can help address any underlying issues effectively. Please consult with a healthcare professional as soon as possible to ensure proper diagnosis and management.

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