Blood on Toilet Paper: What It Means and When to Worry - Gastroenterology and Hepatology

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There is blood on the toilet paper after wiping?


Hello Doctor,
I would like to inquire about a situation I am experiencing.
When I have a bowel movement, I do not feel any pain, and the stool is well-formed and does not have any blood mixed in.
However, the first wipe after I finish is bloody (and there is quite a bit of blood), but there is no blood on subsequent wipes.
The blood is bright red, and I only notice it when I have a bowel movement (I can rule out the possibility of it being related to my menstrual period).

Additionally, is it safe for me to take iron supplements? Are there any precautions I should be aware of?
Thank you for taking the time to respond to my questions!

E, 20~29 year old female. Ask Date: 2022/11/11

Dr. Lin Minghui reply Gastroenterology and Hepatology


Hello: Possible rectal bleeding can commonly be caused by hemorrhoids, anal fissures, or inflammation.
It is recommended to follow up with a colorectal specialist or a gastroenterologist for further examination.
It is advisable to develop habits such as drinking plenty of water, eating more fruits and vegetables, and engaging in moderate exercise to establish good bowel habits.
Follow-up with a colorectal or gastroenterology outpatient clinic is recommended.
Wishing you good health!

Reply Date: 2022/11/11

More Info


When you notice blood on toilet paper after a bowel movement, it can understandably cause concern. The presence of bright red blood typically indicates that the source of bleeding is from the lower gastrointestinal tract, such as the rectum or anus. Given that you mentioned the blood was only present during the first wipe and not during subsequent wipes, it is essential to consider a few potential causes.

One of the most common reasons for bright red blood on toilet paper is hemorrhoids. Hemorrhoids are swollen veins in the lower rectum or anus that can become inflamed and bleed, especially during bowel movements. This bleeding is often painless, which aligns with your experience of not feeling any pain during the process. Other symptoms of hemorrhoids may include itching, discomfort, or a lump near the anus.

Another possible cause could be anal fissures, which are small tears in the lining of the anus. These can occur due to passing hard stools or straining during bowel movements. While fissures can be painful, some individuals may experience minimal discomfort, especially if the tear is small.

In your case, since you mentioned that the stool was of normal shape and color without any mixing of blood, and that you did not experience pain, it is reasonable to suspect that hemorrhoids or a minor anal fissure could be the culprits. However, it is crucial to monitor the situation. If the bleeding persists, increases in volume, or is accompanied by other symptoms such as pain, changes in bowel habits, or weight loss, it would be advisable to seek medical attention.

Regarding the use of iron supplements, it is generally safe to take them if you are experiencing symptoms of iron deficiency or have been advised by a healthcare provider to do so. However, iron supplements can sometimes cause gastrointestinal side effects, including constipation, which could exacerbate any existing issues with hemorrhoids or fissures. Therefore, if you decide to take iron supplements, ensure you maintain a high-fiber diet and stay well-hydrated to help prevent constipation. Foods rich in fiber include fruits, vegetables, whole grains, and legumes.

In summary, while the presence of blood on toilet paper can be alarming, it is often due to benign conditions like hemorrhoids or anal fissures, especially if there is no pain or other concerning symptoms. However, it is essential to keep an eye on the situation and consult a healthcare provider if the symptoms persist or worsen. Additionally, if you are considering taking iron supplements, do so with caution and ensure you are also taking measures to maintain healthy bowel movements.

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