Red Stains During Bowel Movements: What You Need to Know - Surgery

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Abnormalities during wiping after bowel movements?


Hello, doctor.
Recently, I've noticed some red streaks when wiping after a bowel movement.
What could this be? The symptoms have persisted for a while.
Should I be concerned about anything? I do not have any accompanying symptoms.

1, 10~19 year old female. Ask Date: 2021/08/12

Dr. Chen Jiaming reply Surgery


In general, if you notice red objects when wiping the anus, it could be the color of food, but most often it is due to small bleeding caused by damage to the anal mucosa, usually accompanied by mild pain or a stinging sensation.
To avoid the latter situation, it may be helpful to reduce excessive wiping of the anus and consider using moist wipes or rinsing with clean water.

Reply Date: 2021/08/12

More Info


When you notice red stains during bowel movements, it can understandably cause concern. The presence of red marks on toilet paper or in the stool can be attributed to several potential causes, and understanding these can help you determine whether further medical evaluation is necessary.

One common reason for red stains is the presence of blood, which can originate from various sources in the gastrointestinal tract. The most frequent cause of blood in the stool is hemorrhoids, which are swollen veins in the rectal area that can bleed during bowel movements, especially if there is straining or constipation involved. Another possibility is anal fissures, which are small tears in the lining of the anus that can occur due to passing hard stools. Both conditions are typically associated with mild discomfort or pain during bowel movements.

However, it’s also important to consider that not all red discoloration is due to blood. Certain foods can cause red staining in the stool, such as beets, tomatoes, or red peppers. If you have consumed these foods recently, they might be the reason for the red marks. Additionally, some medications or supplements, particularly those containing iron, can also alter stool color.

Given that you mentioned the symptoms have persisted for some time without accompanying symptoms such as pain, weight loss, or changes in bowel habits, it may be less likely that a serious condition is present. However, it is essential to monitor the situation closely. Here are some steps you can take:
1. Dietary Review: Reflect on your recent diet. If you have eaten foods known to cause red discoloration, this could explain the symptoms. Keeping a food diary may help identify any correlations.

2. Observation: Continue to observe your bowel movements. Note any changes in color, consistency, or frequency. If the red stains persist beyond a few days or worsen, it would be prudent to seek medical advice.

3. Hydration and Fiber Intake: Ensure you are drinking enough water and consuming a diet rich in fiber to prevent constipation, which can exacerbate conditions like hemorrhoids and fissures.

4. Avoid Excessive Wiping: If you are experiencing irritation from wiping, consider using moist wipes or a gentle cleansing method to reduce trauma to the anal area.

5. Seek Medical Attention: If you notice any additional symptoms, such as significant pain, changes in bowel habits, or if the red staining continues, it is advisable to consult a healthcare professional. They may recommend a physical examination or further tests, such as a stool test for occult blood or a colonoscopy, to rule out any serious conditions.

In summary, while red stains during bowel movements can be alarming, they are often due to benign causes such as hemorrhoids or dietary factors. However, persistent symptoms warrant further investigation to ensure there are no underlying health issues. Always prioritize open communication with your healthcare provider to address any concerns you may have regarding your gastrointestinal health.

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