Blood in My Poop: When to Worry
You’re staring into the toilet bowl, and your heart stops—there’s blood. Before you spiral into worst-case scenarios, take a breath. Blood in your stool is alarming, but it’s not always an emergency. Conway Medical Center’s Primary Care and Digestive Health specialists help you understand what that blood means, when it’s harmless, and when you need immediate medical attention.
Seeing blood in your stool? Schedule an evaluation with CMC Primary Care for initial assessment. For persistent symptoms or complex digestive issues, CMC Digestive Health provides specialized gastroenterology care. Call 843-347-8000 for Primary Care or 843-347-6038 for Digestive Health.
In this article:
What Blood Color Tells You About the Source
The appearance of blood in your stool provides important clues about where the bleeding originates in your digestive tract.
Bright Red Blood: Fresh, bright red blood typically indicates bleeding in the lower digestive tract—your colon, rectum, or anus. You might see it:
- On toilet paper after wiping
- In the toilet bowl water
- As streaks on stool surface
- Dripping into the toilet
Dark Red or Maroon Blood: This coloring suggests bleeding higher up in your colon or possibly your small intestine. The blood has traveled further through your digestive system.
Black, Tarry Stool (Melena): Black, tar-like stool with a distinctive foul odor often points to bleeding in your stomach or upper digestive tract. The blood has been digested, changing its appearance and color.
Occult (Hidden) Blood: Sometimes bleeding isn’t visible to the naked eye and can only be detected through lab tests called fecal occult blood tests. This hidden bleeding may indicate early-stage conditions requiring investigation.
Common Benign Causes: When Not to Panic
Many cases of rectal bleeding stem from treatable, non-serious conditions.
Hemorrhoids: Most Common Issue
Hemorrhoids are swollen blood vessels in and around your anus and lower rectum—essentially varicose veins in your anal area. About half of all people experience hemorrhoids by age 50.
Internal Hemorrhoids: Develop inside the rectum where there are few pain-sensing nerves. You typically won’t feel them, but you’ll see:
- Bright red blood on toilet paper
- Blood streaks on stool
- Blood dripping into toilet bowl
- Generally painless bleeding
External Hemorrhoids: Form under the skin around the anus in tissue with many pain-sensing nerves. Symptoms include:
- Anal itching or discomfort
- Swelling around the anus
- Pain, especially when sitting
- Blood clots causing severe pain (thrombosed hemorrhoids)
What Causes Hemorrhoids:
- Chronic constipation or diarrhea
- Straining during bowel movements
- Sitting on the toilet for extended periods
- Pregnancy and childbirth
- Obesity
- Low-fiber diet
- Aging (tissues weaken over time)
Treatment Options: Most hemorrhoids respond to conservative treatment:
- Increase fiber intake (fruits, vegetables, whole grains)
- Drink plenty of water
- Use stool softeners
- Apply over-the-counter hemorrhoid creams
- Take warm sitz baths (A sitz bath is a warm water bath you sit in to relieve discomfort and increase blood flow.)
- Avoid prolonged sitting
- Don’t strain during bowel movements
Anal Fissures: Small Painful Tears
Anal fissures are small tears in the thin, moist tissue lining your anus—like paper cuts in a very sensitive area.
Distinctive Symptoms:
- Sharp, severe pain during bowel movements
- Pain lasting several minutes to hours after
- Bright red blood on toilet paper or stool
- Visible crack in the skin around the anus
- Muscle spasms in the anal sphincter
What Distinguishes Fissures from Hemorrhoids: While both can cause bleeding, anal fissures cause much more intense, lingering pain. If the pain is severe and lasts long after you’ve finished in the bathroom, you’re likely dealing with a fissure rather than hemorrhoids.
Common Causes:
- Passing large or hard stools
- Chronic constipation
- Chronic diarrhea
- Straining during bowel movements
- Childbirth trauma
- Inflammatory bowel disease
Healing and Treatment: Acute (new) anal fissures typically heal within 6 weeks with conservative treatment:
- Increase dietary fiber
- Drink more water
- Use stool softeners
- Apply topical treatments
- Take warm sitz baths
- Avoid straining
Chronic fissures (lasting 6+ weeks) may require prescription medication, Botox injections, or surgical intervention.
Other Benign Causes
Constipation: Hard, dry stool can cause minor tears and irritation, leading to small amounts of bright red blood.
Certain Foods: Red-colored foods (beets, tomatoes, red gelatin) can temporarily make stool appear reddish. This isn’t blood but can be alarming if unexpected. Red wine can cause also cause black or dark colored stool, sometimes due to high iron content, dark pigments, or alcohol-related digestion changes.
Medications: Some medications, particularly iron supplements and bismuth subsalicylate (Pepto-Bismol), can darken stool, making it appear black.
Serious Conditions Requiring Medical Evaluation
While many causes of bloody stool are benign, some indicate serious conditions requiring prompt medical attention.
Inflammatory Bowel Disease (IBD)
Crohn’s Disease and Ulcerative Colitis: These chronic inflammatory conditions cause ongoing inflammation in the digestive tract, leading to:
- Bloody diarrhea
- Abdominal pain and cramping
- Urgent bowel movements
- Weight loss
- Fatigue
- Mucus in stool
IBD requires specialized gastroenterology care for proper diagnosis and management.
Diverticulitis
Diverticulitis occurs when small pouches (diverticula) in the colon wall become inflamed or infected, potentially causing:
- Painless rectal bleeding (sometimes heavy)
- Abdominal pain (usually left lower side)
- Fever
- Changes in bowel habits
Peptic Ulcers
Stomach or upper intestinal ulcers can bleed, causing:
- Black, tarry stools
- Vomiting blood
- Abdominal pain
- Nausea
Peptic ulcers are the most common cause of upper gastrointestinal bleeding.
Polyps and Colorectal Cancer
Colorectal Polyps: These abnormal growths in the colon or rectum can bleed, though often the bleeding is occult (hidden). Most polyps are benign but can become cancerous over time.
Colorectal Cancer Warning Signs:
- Blood in stool (bright red or very dark)
- Persistent change in bowel habits
- Narrow, pencil-thin stools
- Feeling that bowel doesn’t empty completely
- Unexplained abdominal pain
- Unintentional weight loss
- Unexplained fatigue
Early-Stage Reality: Early colon cancer often causes no noticeable symptoms. Small amounts of blood may be present but not visible to the naked eye—which is why routine screening is crucial.
When to Call Your Doctor vs. When to Go to the ER
Not all blood in stool requires emergency care, but knowing when to seek help can be lifesaving.
Schedule an Appointment with CMC Primary Care If:
- Blood appears once or twice and stops
- Small amount of bright red blood with known hemorrhoids
- Bleeding accompanied by minor anal discomfort
- No other concerning symptoms
- Want to discuss screening options
CMC Primary Care providers can evaluate symptoms, perform basic tests, and refer to gastroenterology when needed.
Call CMC Digestive Health If:
- Rectal bleeding persists more than 1-2 days
- Bleeding occurs frequently
- Family history of colorectal cancer or polyps
- You’re over 45 and haven’t had recent colonoscopy
- Chronic digestive symptoms alongside bleeding
- Previous diagnosis of IBD or other digestive condition
Go to the Emergency Department or Call 911 If:
- Large amounts of blood in stool
- Continuous bleeding
- Black, tarry stools with weakness or dizziness
- Vomiting blood
- Severe abdominal pain
- Signs of shock:
- Rapid heartbeat
- Profuse sweating
- Pale, clammy skin
- Confusion or weakness
- Difficulty breathing
These symptoms indicate potentially life-threatening gastrointestinal bleeding requiring immediate medical intervention.
Colorectal Cancer Screening: Your Best Protection
Regular screening can detect colorectal cancer early when it’s most treatable—or even prevent it by finding and removing precancerous polyps.
Current Screening Guidelines:
- Average risk: Begin screening at age 45
- Higher risk: Begin earlier if you have:
- Family history of colorectal cancer or polyps
- Personal history of IBD
- Certain genetic syndromes
- Previous radiation to abdomen or pelvis
Screening Options:
Colonoscopy (Gold Standard):
- Views entire colon
- Can remove polyps during procedure
- Repeat every 10 years if normal
CMC Digestive Health performs diagnostic and therapeutic endoscopy procedures, including colonoscopy, with state-of-the-art equipment and expert gastroenterologists.
Stool-Based Tests:
- Fecal immunochemical test (FIT): Annual
- Fecal occult blood test (FOBT): Annual
- Stool DNA test: Every 1-3 years
- Positive results require follow-up colonoscopy
You can ask your CMC Primary Care provider to order a stool-based test for you or to submit a referral to CMC Digestive Health for more advanced testing like a colonoscopy.
Expert Digestive Care at CMC
Conway Medical Center provides comprehensive evaluation and treatment for all digestive health concerns from initial assessment through specialized care.
CMC Primary Care: Your First Stop
With 14 convenient locations across Horry County, CMC Primary Care offers accessible evaluation for new digestive symptoms.
Primary Care Providers Can:
- Evaluate rectal bleeding and symptoms
- Perform physical examinations
- Order initial diagnostic tests
- Treat minor conditions like hemorrhoids
- Provide hemorrhoid management guidance
- Refer to gastroenterology when needed
- Coordinate colorectal cancer screening
CMC Primary Care Locations Include:
- Conway (multiple locations)
- Aynor (2 locations)
- Myrtle Beach area (Market Common, Grand Dunes, Surfside Beach)
- Carolina Forest, Socastee, Little River
- Murrells Inlet (2 locations)
Call 843-347-8000 to find the location nearest you.
CMC Digestive Health: Specialized Gastroenterology Care
For complex digestive issues, persistent symptoms, or when specialized procedures are needed, CMC Digestive Health provides expert gastroenterology services.
Comprehensive Services:
- Diagnostic and therapeutic endoscopy
- Colonoscopy for screening and diagnosis
- Endoscopic ultrasound (EUS)
- ERCP (Endoscopic Retrograde Cholangiopancreatography)
- Capsule endoscopy
- Treatment of digestive disorders:
- Inflammatory bowel disease
- GERD and reflux
- Liver disease
- Gallbladder disease
- Pancreas disease
- Colorectal polyps and cancer
Patient-Centered Approach: The CMC Digestive Health team understands patient fears and concerns about digestive procedures. The warm, caring professional staff prioritizes patient comfort and satisfaction throughout evaluation and treatment.
Don’t ignore blood in your stool. Whether you need initial evaluation through CMC Primary Care’s 14 Horry County locations or specialized gastroenterology care at CMC Digestive Health, expert diagnosis and treatment are available close to home. Call 843-347-8000 for Primary Care or 843-347-6038 for Digestive Health.
Key Takeaways
- Bright red blood indicates lower digestive tract bleeding (colon, rectum, anus), while black, tarry stools suggest upper digestive tract bleeding requiring immediate evaluation.
- Hemorrhoids (swollen anal blood vessels) are the most common cause of rectal bleeding, affecting half of all people by age 50, typically causing painless bright red blood.
- Anal fissures cause severe, lingering pain distinguishing them from hemorrhoids, with acute fissures usually healing within 6 weeks through increased fiber, hydration, and stool softeners.
- Seek emergency care for large amounts of blood, continuous bleeding, black tarry stools with weakness, vomiting blood, severe abdominal pain, or signs of shock.
- Colorectal cancer screening should begin at age 45 for average-risk individuals, with colonoscopy as the gold standard allowing polyp removal during the procedure.
- CMC Primary Care provides initial evaluation at 14 Horry County locations (843-347-8000), while CMC Digestive Health offers specialized gastroenterology care by referral (843-347-6038).
- Inflammatory bowel disease, diverticulitis, peptic ulcers, and colorectal polyps/cancer are serious conditions causing bloody stools that require gastroenterology evaluation and ongoing management.
