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

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Blood in the stool can have various causes?


Hello, doctor.
For the past two to three months, I have occasionally noticed blood during bowel movements.
At first, I thought it was menstrual blood (the color is very similar), as it feels like drops of blood coming out, and I can see it on the toilet paper.
I also experience a bit of pain in the anus when I have a bowel movement.
Recently, the bleeding has increased, and after using the restroom, I feel some discomfort in the anal area.
There seems to be a protrusion on the outside when I touch it.
I usually stay up late but maintain a balanced diet.
I researched the causes of blood in the stool online, and most of the information points to hemorrhoids and colorectal cancer.
My parents also have issues with hemorrhoids, and I wonder if this could be hereditary.
I'm a bit scared that there might be a serious problem at such a young age.
I would appreciate your guidance, thank you for your help.

Xiao Qing, 10~19 year old female. Ask Date: 2021/05/31

Dr. Cai Anshun reply Gastroenterology and Hepatology


Hello: If there is pain near the anus accompanied by fresh bleeding, it is mostly caused by hemorrhoids.
The likelihood of colorectal cancer is very low.
In addition to increasing the intake of fruits, vegetables, and fluids, it is also important to avoid prolonged sitting or standing to prevent varicose veins.
Changhua Hospital cares about your health.
Dr.
Tsai An-Shun.

Reply Date: 2021/05/31

More Info


Understanding blood in stool can be concerning, especially for young adults. The symptoms you've described—blood during bowel movements, pain during defecation, and the presence of a protruding mass—are indeed significant and warrant further investigation.
Firstly, it's important to recognize that blood in the stool can arise from various causes, some of which are benign while others may be more serious. The most common causes include hemorrhoids, anal fissures, diverticular disease, and gastrointestinal conditions such as inflammatory bowel disease (IBD) or colorectal cancer. Given your age and the symptoms you've described, hemorrhoids and anal fissures are the most likely culprits, especially since you mentioned a family history of hemorrhoids.
Hemorrhoids are swollen veins in the lower rectum or anus that can cause discomfort, itching, and bleeding, particularly during bowel movements. They can be caused by straining during defecation, prolonged sitting, or increased pressure in the pelvic area, which can occur during activities like heavy lifting or even prolonged sitting. Anal fissures, on the other hand, are small tears in the lining of the anus, often resulting from passing hard stools, which can also lead to pain and bleeding.

The fact that you are experiencing pain during bowel movements and have noticed a protruding mass suggests that you might be dealing with hemorrhoids. The protruding mass could be a thrombosed hemorrhoid, which occurs when a blood clot forms inside the hemorrhoid, leading to increased pain and swelling.
While the likelihood of serious conditions like colorectal cancer is lower in someone your age, it is not impossible, especially if there are changes in bowel habits, unexplained weight loss, or if the blood is dark and mixed with stool. However, the bright red blood you described, especially if it is on the toilet paper or in the toilet bowl, typically indicates that the source of bleeding is lower in the gastrointestinal tract, such as the rectum or anus.

Given your symptoms and concerns, it is crucial to seek medical attention. A healthcare provider can perform a thorough evaluation, which may include a physical examination, a digital rectal exam, and possibly a colonoscopy if deemed necessary. These assessments will help determine the exact cause of your symptoms and guide appropriate treatment.

In the meantime, there are some self-care measures you can take to alleviate your symptoms. Increasing your fiber intake through fruits, vegetables, and whole grains can help soften stools and reduce straining during bowel movements. Staying well-hydrated is also essential. Over-the-counter treatments, such as topical creams or ointments for hemorrhoids, may provide relief from discomfort.

In conclusion, while your symptoms may be indicative of a common issue like hemorrhoids or anal fissures, it is essential to consult with a healthcare professional for a proper diagnosis and treatment plan. Early intervention can prevent complications and improve your quality of life. Don't hesitate to reach out for help; your health is important.

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