Rectal Discomfort: Symptoms and Concerns for Young Adults - Surgery

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Feeling of fullness in the anus?


Hello doctor, the academic exam is approaching, so I've been staying up late recently.
I have a habit of using my phone while having a bowel movement.
A few days ago, I suddenly started feeling a fullness in my anus and the urge to defecate, but it comes and goes.
Sometimes it feels like something is blocking my stool, and at times, the stool that comes out is a bit dark but not black.
I've recently started taking stool softeners, and I have a history of thrombosed external hemorrhoids that required surgery.
I would like to know if this could be colon cancer, as there is a family history of it, and I am worried.

Mr. Lin, 10~19 year old female. Ask Date: 2022/12/06

Dr. Zhang Shuhao reply Surgery


Staying up late and spending excessive time in the bathroom can exacerbate hemorrhoid symptoms and should be avoided.
It is advisable to take warm sitz baths, increase fluid intake, and consume more dietary fiber, while also changing the habit of prolonged bathroom use.
If concerned, one can visit a clinic to assess the severity of hemorrhoids.
If there is a family history of colorectal cancer, it is recommended to undergo a colonoscopy ten years earlier than the age at which family members were diagnosed.

Reply Date: 2022/12/06

More Info


It's understandable to feel anxious about rectal discomfort, especially with the added stress of upcoming exams. Your symptoms, including the sensation of fullness or pressure in the rectal area, changes in bowel habits, and the use of stool softeners, can be concerning, particularly given your medical history of external hemorrhoids and family history of colorectal issues. However, it's essential to approach this situation with a clear understanding of what these symptoms might indicate and when to seek further medical evaluation.

Firstly, the sensation of rectal fullness or pressure can be attributed to several benign conditions, especially in young adults. Common causes include hemorrhoids, anal fissures, or even constipation. Given your history of external hemorrhoids, it's possible that they could be contributing to your current discomfort. Hemorrhoids can cause a feeling of fullness, pain during bowel movements, and sometimes bleeding, particularly if they become inflamed or thrombosed.

The color of your stool can also provide important clues. Dark stools can be a result of various factors, including diet (such as consuming iron-rich foods or supplements) or bleeding from the upper gastrointestinal tract, which can sometimes present as dark, tarry stools. However, if your stools are not black but rather a deep brown, it may not be a cause for immediate concern. Nonetheless, any significant changes in stool color or consistency warrant attention.

Your use of stool softeners suggests that you may be experiencing some degree of constipation, which can lead to straining during bowel movements and exacerbate hemorrhoidal symptoms. It's crucial to maintain a diet high in fiber, stay hydrated, and engage in regular physical activity to promote healthy bowel function. If you're finding that stool softeners are not providing relief, it may be worth discussing with your healthcare provider to explore other options or to evaluate your bowel habits more closely.

Regarding your concern about colorectal cancer, it's important to note that while family history can increase risk, colorectal cancer is relatively rare in young adults. The symptoms you're experiencing are more commonly associated with benign conditions. However, if you have a family history of colorectal cancer, it is prudent to discuss this with your doctor, who may recommend screening or further evaluation based on your specific risk factors.

In summary, while your symptoms may be concerning, they are more likely related to benign conditions such as hemorrhoids or constipation rather than colorectal cancer, especially given your age. However, it's crucial to monitor your symptoms closely. If you experience persistent pain, significant changes in bowel habits, or any alarming symptoms such as blood in your stool, it's essential to seek medical attention promptly. Your healthcare provider can perform a thorough evaluation, which may include a physical examination and possibly imaging or endoscopic procedures if deemed necessary.

Lastly, managing stress is also vital, particularly during exam periods. Stress can exacerbate gastrointestinal symptoms, so consider incorporating relaxation techniques, such as deep breathing, meditation, or light exercise, into your routine. Prioritizing your mental health alongside your physical health will help you navigate this challenging time more effectively. If your symptoms persist or worsen, don't hesitate to reach out to your healthcare provider for further guidance and support.

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