Blood on Toilet Paper: Causes and Concerns of Colitis - Gastroenterology and Hepatology

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Blood on toilet paper after a bowel movement, diagnosed as colitis?


I occasionally eat out, but I usually eat at home, consuming a lot of vegetables, mostly organic, and I rarely eat fried or spicy foods, maintaining a light diet.
Until mid-November of this year, I was having regular bowel movements every day.
However, starting in mid-November, I suddenly began having bowel movements only every 2 to 3 days, accompanied by blood on the toilet paper after wiping.
The blood was minimal and stopped after 1 or 2 wipes.
There was no blood in the stool, and I did not experience any pain.
This situation persisted for several days, sometimes with blood and sometimes without.
I then consulted a gastroenterologist and underwent a colonoscopy, which revealed inflammation in one area of the colon and a biopsy was taken.
I also had very mild hemorrhoids.
After the colonoscopy, I did not experience any bleeding during bowel movements that week.
When I returned for the biopsy results, the doctor said it was just simple inflammation and advised me to monitor the situation without prescribing any medication.
I was instructed to wait for three months before doing a fecal occult blood test and returning for a follow-up.
However, the following week after my return visit, I noticed a small amount of blood again (on the toilet paper), and over time, the amount of bleeding returned to what it was in mid-November.
Given my current situation, should I immediately do a stool test and return for the report, or can I wait until next year to do the stool test? What treatment options are available? Why is there colitis and bleeding? Is this a precursor to colorectal cancer?

huanzhe, 30~39 year old female. Ask Date: 2022/12/17

Dr. Chen Shidian reply Gastroenterology and Hepatology


You can first return to the gastroenterologist for a discussion.

Reply Date: 2022/12/17

More Info


When it comes to noticing blood on toilet paper after a bowel movement, it can understandably cause concern. In your case, the presence of blood, especially after a period of constipation and the subsequent diagnosis of mild colitis, suggests a few potential causes that need to be considered.

Firstly, the blood you observed on the toilet paper could be attributed to several factors, including hemorrhoids (which you have been diagnosed with), anal fissures, or inflammation of the bowel. Given that you have a history of mild hemorrhoids, it is plausible that they could be the source of the bleeding, particularly if you have been experiencing constipation and straining during bowel movements. Hemorrhoids can become aggravated by increased pressure during defecation, leading to bleeding, especially when wiping.

The diagnosis of colitis, which is inflammation of the colon, can also contribute to gastrointestinal symptoms, including changes in bowel habits and the presence of blood. Colitis can be caused by various factors, including infections, inflammatory bowel disease (IBD), or even dietary factors. In your case, the biopsy results indicating simple inflammation suggest that the cause may not be severe, but it is essential to monitor your symptoms closely.

Regarding your concern about whether this could be a precursor to colorectal cancer, it is important to note that while any rectal bleeding should be taken seriously, the likelihood of colorectal cancer at your age (assuming you are relatively young) is quite low, especially given the findings of inflammation rather than malignancy. However, your family history of colorectal cancer does warrant a more cautious approach, and regular screenings are advisable.

As for your current situation, if you are experiencing a recurrence of blood on the toilet paper, it would be prudent to follow up with your gastroenterologist sooner rather than later. Since you have already been advised to undergo a fecal occult blood test in three months, you might consider discussing the timing of this test with your doctor, especially if your symptoms have changed or worsened. If the bleeding persists or increases, or if you develop additional symptoms such as abdominal pain, changes in bowel habits, or weight loss, you should seek medical attention promptly.

In terms of treatment, managing your diet and lifestyle can significantly impact your symptoms. Since you mentioned that you eat a lot of vegetables and maintain a generally healthy diet, continue to focus on high-fiber foods to help prevent constipation. Staying well-hydrated is also crucial. If you find that your bowel habits are still irregular, you might want to discuss the use of stool softeners or mild laxatives with your healthcare provider.

Additionally, if you experience discomfort or pain during bowel movements, warm sitz baths can provide relief and help soothe any irritation in the anal area. Over-the-counter topical treatments for hemorrhoids may also be beneficial.

In summary, while the presence of blood on toilet paper can be alarming, it is often related to benign conditions such as hemorrhoids or mild colitis, especially in the absence of significant pain or other alarming symptoms. Regular follow-ups with your healthcare provider and adherence to recommended screenings are essential for monitoring your condition and ensuring that any potential issues are addressed promptly.

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