Blood on toilet paper after a bowel movement occurs when small blood vessels in the anus or rectum tear or bleed. This is often harmless but can sometimes signal a serious condition.
Most cases result from minor trauma to the anus or rectum. Hard stools, straining during bowel movements, or conditions like hemorrhoids can cause small tears. These tears may bleed slightly, leaving blood on the tissue.
The most common causes include:
While minor bleeding is usually not serious, see a doctor if:
According to the American Society of Colon and Rectal Surgeons, persistent rectal bleeding should always be evaluated by a healthcare professional.
Many people assume that blood on tissue after a bowel movement is always due to hemorrhoids. However, other conditions like anal fissures, diverticulosis, or even colorectal cancer can also cause bleeding. A doctor can determine the exact cause through a physical exam or diagnostic tests.
If you notice blood on tissue after a bowel movement, start by checking your diet and hydration levels. Increasing fiber intake and drinking more water can help prevent constipation and reduce straining. Over-the-counter treatments like witch hazel pads or suppositories may help relieve hemorrhoid symptoms.
If bleeding persists or worsens, schedule an appointment with your doctor. They may recommend further testing, such as a colonoscopy, to rule out more serious conditions.