When to seek medical advice
Seek medical advice for any blood in stool. Seek emergency care if you notice:
- Large amounts of blood
- Lightheadedness
- Rapid heart rate
- Weakness
Blood in stool in adults
Find possible causes of blood in stool based on specific factors. Check one or more factors on this page that apply to your symptom.
- Walls RM, et al., eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 9th ed. Philadelphia, Pa.: Elsevier; 2018. https://www.clinicalkey.com. Accessed Oct. 30, 2017.
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- Palmer J, et al. Abdominal pain mimics. Emergency Medicine Clinics of North America. 2016;34:409.
- Feldman M, et al. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 10th ed. Philadelphia, Pa.: Saunders Elsevier; 2016. https://www.clinicalkey.com. Accessed Oct. 30, 2017.
- Merck Manual Professional Version. https://www.merckmanuals.com/professional. Accessed Oct. 30, 2017.
- AskMayoExpert. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2017.
- Kliegman RM, et al. Nelson Textbook of Pediatrics. 20th ed. Philadelphia, Pa.: Elsevier; 2016. https://www.clinicalkey.com. Accessed Nov. 2, 2017.
- Zitelli BJ, et al., eds. Zitelli and Davis' Atlas of Pediatric Physical Diagnosis. Philadelphia, Pa.: Elsevier; 2017. https://www.clinicalkey.com. Accessed Nov. 11, 2017.
- Ferri FF. Ferri's Clinical Advisor 2018. Philadelphia, Pa.: Elsevier; 2018. https://www.clinicalkey.com. Accessed Nov. 11, 2017.
- Muncie HL, et al. Dizziness: Approach to evaluation and management. American Family Physician. 2017;95:154.
- American College of Emergency Physicians. https://www.acep.org. Accessed Nov. 11, 2017.
- U.S. Food and Drug Administration. http://www.fda.gov. Accessed Nov. 11, 2017.
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- Mannenbach MS (expert opinion). Mayo Clinic, Rochester, Minn. June 14, 2017.
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- Hoecker JL (expert opinion). Mayo Clinic, Rochester, Minn. Aug. 28, 2017.
- American Academy of Orthopaedic Surgeons. https://orthoinfo.aaos.org. Accessed Nov. 20, 2017.
- Petty RE, et al., eds. Textbook of Pediatric Rheumatology. 7th ed. Philadelphia, Pa.: Elsevier; 2016. https://www.clinicalkey.com. Accessed Nov. 20, 2017.
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- National Eye Institute. https://nei.nih.gov. Accessed Dec. 5, 2017.
- Wilkinson JM (expert opinion). Mayo Clinic, Rochester, Minn. Nov. 8, 2017.
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