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Published on: 2/10/2026

Blood in Poop at 65: When to Worry and What to Do Next

There are several factors to consider; at 65, blood in stool is common but not normal, with color and pattern offering clues, and causes ranging from hemorrhoids, anal fissures, diverticulosis, and medication related bleeding to polyps, colorectal cancer, inflammatory bowel disease, or upper GI bleeding. Act promptly: contact a doctor for recurrent or unexplained bleeding or if you are overdue for screening, and seek urgent care for heavy bleeding, clots, black tarry stools, dizziness, weakness or fainting, severe abdominal pain, shortness of breath, weight loss, or anemia; evaluation usually involves an exam, blood and stool tests, and colonoscopy, with treatment tailored to the cause and key next steps and prevention tips explained below.

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Explanation

Blood in Poop at 65: When to Worry and What to Do Next

Seeing blood in poop at any age can be upsetting, but at 65 and older, it deserves careful attention. Many causes are minor and treatable, yet some can be serious. The goal of this guide is to help you understand what blood in poop may mean, when to worry, and what practical steps to take next—without causing unnecessary fear.

This information is based on well-established medical guidance used by doctors worldwide. It is not a diagnosis, but it can help you make informed decisions about your health.


What Does "Blood in Poop" Look Like?

Blood in poop doesn't always look the same. The appearance often gives clues about where the bleeding is coming from.

Common appearances include:

  • Bright red blood on toilet paper or in the bowl
  • Dark red or maroon stool
  • Black, tarry stool (often sticky and foul-smelling)
  • Streaks of blood mixed with stool

Even small amounts matter, especially if bleeding happens more than once.


Why Blood in Poop Matters More After 65

As we age, the risk of certain digestive conditions increases. At 65, blood in poop should never be ignored, even if you feel fine otherwise.

Age-related factors include:

  • Higher risk of colon polyps and colorectal cancer
  • Increased use of medications like blood thinners or NSAIDs
  • Greater likelihood of chronic conditions affecting blood vessels or digestion

Most causes are not emergencies, but some are time-sensitive, meaning early action can make a major difference.


Common Causes of Blood in Poop at 65

More common and often treatable causes

These are frequent reasons for blood in poop and are usually not life-threatening:

  • Hemorrhoids
    Swollen veins in the rectum or anus. Often cause bright red blood and may itch or hurt.

  • Anal fissures
    Small tears in the anal lining, usually linked to constipation or hard stools.

  • Diverticulosis
    Small pouches in the colon that can bleed painlessly, sometimes heavily.

  • Medication-related bleeding
    Aspirin, blood thinners, and some pain relievers can increase bleeding risk.

More serious causes to rule out

These are less common but more concerning, especially after age 50:

  • Colorectal cancer
  • Colon polyps
  • Inflammatory bowel disease (IBD) such as ulcerative colitis
  • Ischemic colitis (reduced blood flow to the colon)
  • Stomach or upper intestinal bleeding (often causes black stools)

This is why doctors take blood in poop seriously in older adults—even when symptoms seem mild.


When Should You Worry?

You should not panic, but you should act promptly if blood in poop happens at 65. Certain signs mean you should contact a doctor right away.

Call a doctor soon if:

  • Blood in poop happens more than once
  • You don't know the cause
  • Bleeding lasts longer than a few days
  • You are overdue for colon cancer screening

Seek urgent medical care if blood in poop is accompanied by:

  • Dizziness, weakness, or fainting
  • Shortness of breath
  • Severe or ongoing abdominal pain
  • Large amounts of blood or clots
  • Black, tarry stools
  • Unexplained weight loss or anemia

These symptoms can signal significant blood loss or serious disease and should be evaluated immediately.


A Helpful First Step: Symptom Checking

If you're noticing concerning symptoms and want to better understand what might be causing them, using a free AI-powered Rectal Bleeding symptom checker can help you identify possible causes and determine how urgently you need care. This simple tool takes just a few minutes and provides personalized guidance based on your specific symptoms.

A symptom checker is not a replacement for medical care, but it can be a useful starting point.


How Doctors Evaluate Blood in Poop

When you speak to a doctor, they will focus on finding the source of bleeding. Expect clear, step-by-step evaluation.

Common questions your doctor may ask:

  • When did you first notice blood in poop?
  • What color is the blood?
  • Is there pain, itching, or bowel habit changes?
  • Are you losing weight or feeling tired?
  • What medications do you take?

Common tests may include:

  • Physical and rectal exam
  • Blood tests to check for anemia or infection
  • Stool tests
  • Colonoscopy (especially important after age 50)
  • Imaging tests if needed

These tests help doctors rule out serious conditions and identify treatable causes.


Treatment Depends on the Cause

Treatment for blood in poop varies widely. Many causes are simple to manage once identified.

Possible treatments include:

  • Dietary changes and stool softeners for constipation
  • Topical treatments for hemorrhoids or fissures
  • Adjusting medications that increase bleeding risk
  • Antibiotics or anti-inflammatory treatment when needed
  • Removal of polyps during colonoscopy
  • Surgery or specialized care for serious conditions

The earlier bleeding is evaluated, the more treatment options are available.


Can Blood in Poop Be Prevented?

Not all causes can be prevented, but healthy habits can lower your risk.

Helpful prevention tips:

  • Eat a fiber-rich diet (fruits, vegetables, whole grains)
  • Drink enough water
  • Stay physically active
  • Avoid straining during bowel movements
  • Keep up with colon cancer screening
  • Take medications only as directed by your doctor

Prevention doesn't replace evaluation—but it supports long-term digestive health.


The Importance of Speaking to a Doctor

At 65, blood in poop should always be discussed with a doctor, even if it seems minor or painless. Many serious conditions are treatable when caught early, and many harmless conditions can be managed easily once identified.

If bleeding could be life-threatening or serious, do not wait—seek medical care right away.


Key Takeaways

  • Blood in poop at 65 is common but not normal
  • Many causes are mild, but some are serious
  • The color and pattern of blood provide important clues
  • Repeated or unexplained bleeding should never be ignored
  • A doctor's evaluation is essential for safety and peace of mind

If you notice blood in poop, take a calm but proactive approach. Gather information, consider a symptom check, and speak to a doctor to ensure you get the care you need. Early attention protects your health and can save lives.

(References)

  • * Sartori, S., et al. Gastrointestinal Bleeding in the Elderly: A Systematic Review. *Current Gerontology and Geriatrics Research*, vol. 2018, 2018, pp. 1-13. https://pubmed.ncbi.nlm.nih.gov/30046399/

  • * Stollman N, Adnan H. Approach to Lower Gastrointestinal Bleeding in the Elderly. *Clin Geriatr Med*. 2018 Nov;34(4):539-555. https://pubmed.ncbi.nlm.nih.gov/30201103/

  • * Laine L, Jensen DM. Diagnosis and Management of Lower Gastrointestinal Bleeding. *Am J Gastroenterol*. 2020 Jan;115(1):29-41. https://pubmed.ncbi.nlm.nih.gov/31782211/

  • * Tsoi KKF, Ma TKL, Li X, Lau JYN, Sung JJY, Wu JCY. Risk factors for gastrointestinal bleeding in older adults: A systematic review and meta-analysis. *Am J Med*. 2015 Oct;128(10):1111-7.e1. https://pubmed.ncbi.nlm.nih.gov/25968140/

  • * Rex DK, Boland CR, Burt RW, Greene FL, Odze BS, Shike M, Wallace MB, White J. Colorectal Cancer Screening: Current Guidelines and Future Directions. *Gastroenterology*. 2020 Aug;159(2):493-504. https://pubmed.ncbi.nlm.nih.gov/32304918/

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