Blood in Stool: When to Get Checked and What to Know

Finding blood in your stool can be concerning, but it's important to know that there are many possible causes, ranging from minor to serious. This article will help you understand when you should consult a doctor and what results might indicate a need for further investigation.

What is Blood in Stool?

Blood in stool, also known as rectal bleeding, can appear as bright red blood on toilet paper, in the toilet bowl, or mixed with stool. It can also manifest as darker, tarry stools, which may indicate bleeding higher up in the digestive tract. The presence of blood in stool is a symptom, not a condition itself, and can be caused by various factors.

Common Causes of Blood in Stool

There are several reasons why blood might appear in your stool:

• Hemorrhoids: Swollen veins in the lower rectum or anus can cause bright red blood during bowel movements.
• Anal fissures: Small tears in the lining of the anus can cause bleeding and pain during bowel movements.
• Diverticular disease: Small bulges in the colon wall can lead to bleeding if they become inflamed or infected.
• Polyps or cancer: Growths in the colon or rectum, including colorectal cancer, can cause bleeding.
• Gastrointestinal infections: Infections can lead to inflammation and bleeding in the digestive tract.

When to Consult a Doctor

While not all cases of blood in stool are serious, it's important to consult a healthcare provider if you experience:

• Large amounts of blood or frequent bleeding.
• Dark, tarry stools, which may indicate bleeding higher in the digestive tract.
• Accompanying symptoms such as severe abdominal pain, weight loss, or changes in bowel habits.
• A family history of colorectal cancer or other gastrointestinal diseases.

Diagnostic Tests and What They Reveal

If you see a doctor about blood in your stool, they may recommend several tests to identify the cause:

• Fecal occult blood test (FOBT): This test checks for hidden blood in the stool and can help identify bleeding from the digestive tract.
• Colonoscopy: A procedure that allows direct visualization of the colon and rectum to identify sources of bleeding, such as polyps or cancer.
• Sigmoidoscopy: Similar to a colonoscopy, but only examines the lower part of the colon.
• Blood tests: To check for anemia (low red blood cell count) or other signs of blood loss.

Frequently Asked Questions

Can certain foods cause blood in stool? No, foods do not cause blood in stool, but some foods, like beets or red gelatin, can make stool appear red.

Is blood in stool always a sign of cancer? No, blood in stool can be caused by many conditions, not just cancer. However, persistent bleeding should be evaluated by a doctor.

Can stress cause blood in stool? Stress itself does not cause blood in stool, but it can worsen conditions like hemorrhoids or irritable bowel syndrome (IBS), which may lead to bleeding.

When to See a Doctor

If you notice blood in your stool, it's important to monitor the situation closely. Seek medical advice if the bleeding is persistent, if you have other concerning symptoms, or if you have risk factors for gastrointestinal diseases. Early evaluation can help identify the cause and ensure appropriate treatment.

Remember, while this information is helpful for understanding blood in stool, any decisions about your health should be made in consultation with your healthcare provider.