Blood in Stool: Symptoms and Causes for Young Adults - Gastroenterology and Hepatology

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Blood in the stool?


Hello doctor, I am 21 years old and I have a history of hemorrhoids.
One day, I had shrimp fried rice for lunch, and when I had a bowel movement at 11 PM, I noticed some small red spots in my stool, which was mainly yellow.
I would like to know if this is more likely to be blood or food residue.

Li Tongxue, 20~29 year old female. Ask Date: 2020/05/16

Dr. Chen Shidian reply Gastroenterology and Hepatology


Observe for a few more days; if it continues, seek medical treatment.

Reply Date: 2020/05/16

More Info


When it comes to the presence of blood in stool, especially in a young adult like yourself, it is essential to approach the situation with caution and awareness of potential underlying causes. Given your history of hemorrhoids, it is plausible that the red coloration you observed could be related to this condition. Hemorrhoids can cause bright red blood to appear in the stool or on toilet paper, particularly after a bowel movement. This is often due to the strain during defecation, which can aggravate the blood vessels in the rectal area.

However, it is also important to consider other potential causes of blood in the stool. The fact that you mentioned the stool was primarily yellow with red spots raises the question of whether the red could be food remnants, especially if you had consumed something that could cause discoloration. Foods like beets, red gelatin, or even certain spices can sometimes lead to a reddish hue in stool, which might be mistaken for blood.

That said, the presence of blood in stool should not be taken lightly. Other causes of blood in stool can include:
1. Anal Fissures: Small tears in the lining of the anus, often caused by passing hard stools, can lead to bleeding.

2. Gastrointestinal Conditions: Conditions such as diverticulosis, inflammatory bowel disease (IBD), or colorectal polyps can also lead to blood in the stool.

3. Infections: Certain infections can cause gastrointestinal bleeding, leading to blood in the stool.

4. More Serious Conditions: While less common in young adults, conditions like colorectal cancer or vascular malformations can also present with blood in the stool.

Given your symptoms, it is advisable to monitor the situation closely. If the bleeding persists, increases in volume, or is accompanied by other symptoms such as abdominal pain, changes in bowel habits, or weight loss, you should seek medical attention promptly. A healthcare provider may recommend a physical examination, possibly including a digital rectal exam, and further diagnostic tests such as a colonoscopy or imaging studies to determine the exact cause of the bleeding.

In the meantime, if you are experiencing discomfort due to hemorrhoids, consider measures to alleviate symptoms, such as increasing fiber intake, staying hydrated, and using over-the-counter topical treatments designed for hemorrhoid relief. Avoid straining during bowel movements, as this can exacerbate the condition.

In summary, while your history of hemorrhoids makes it likely that the blood you observed could be related to that condition, it is crucial to remain vigilant and consult a healthcare professional if you have any concerns or if the symptoms persist. Early intervention can help address any potential issues before they escalate.

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