Blood in Stool
Free Symptom Checker
with Physician-supervised AI
Reviewed By:
Carlos Cuenca, MD (General surgery)
Dr. Cuenca graduated from Rutgers New Jersey Medical School. He is currently a categorical surgical resident at UC Davis Health.
Yoshinori Abe, MD (Internal medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
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Blood and mucus mixed with stool like red currant jelly
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Content updated on Jan 4, 2023
About the symptom
Bloody stools describes a condition where blood can be seen in the stool. The blood may be fresh, bright red or clotted. It can be as minor as only visible on the paper all the way to mixed in with the stool or freely dripping from the anus.
When to see a doctor
Seek professional care if you experience any of the following symptoms
Blood in stool
Possible causes
- Colonic polyp
Colonic polyps are benign growths that appear on the inner lining of your large intestine. They have a small chance of becoming malignant, or cancerous, over the next 5-15 years, so they require monitoring by a doctor.
- Helicobacter pylori infection
Helicobacter pylori, or H. pylori, is a bacteria commonly found in the stomach of about half the world's population. Most people have no symptoms. However, H. pylori can cause digestive problems, including ulcers and, rarely, stomach cancer. H. pylori bacteria may spread through direct contact with saliva, vomit, feces, or contaminated food or water.
- Meckel's diverticulosis
Meckel's diverticulum is a congenital bulge in the lower part of the small intestine, which is a remnant of the umbilical cord.
- Hemorrhoid
- Diabetes mellitus (DM)
- Hemorrhoids (anal fissure)
- Bacterial gastroenteritis
- Constipation
Related serious diseases
- Ischemic enteritis
A condition in which the gut wall is damaged due to insufficient blood supply. Causes include low blood pressure, medications, or clots from the heart.
- Diverticular bleeding
Questions your doctor may ask about this symptom
Your doctor may ask these questions to check for this symptom
Is there blood in your stool?
Do you have a fever?
Have you lost weight recently?
Do you have nausea or vomiting?
Do you have hard stools or constipation recently?
Other Related Symptoms
Similar symptoms or complaints
Symptoms from the same body system / part
Symptoms treated by the same specialty
Reviewed By:
Carlos Cuenca, MD (General surgery)
Dr. Cuenca graduated from Rutgers New Jersey Medical School. He is currently a categorical surgical resident at UC Davis Health.
Yoshinori Abe, MD (Internal medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
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Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan