Symptom Checker

  • When to seek medical advice

  • Seek medical advice for any blood in stool. Seek emergency care if you notice:

    • Large amounts of blood
    • Lightheadedness
    • Weakness
    • Rapid heart rate (more than 100 beats a minute)

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Blood in stool

Find possible causes of blood in stool based on specific factors. Check one or more factors on this page that apply to your symptom.

  • In or on the stool

  • In toilet bowl or on toilet tissue

  • Drinking alcohol

  • Straining during bowel movements

  • Drinking more water

  • Eating more fiber

  • Abdominal pain or cramping

  • Anal itching

  • Constipation

  • Diarrhea

  • Fever

  • Frequent urge to have bowel movement

  • Narrow stools

  • Nausea or vomiting

  • Painful bowel movements

  • Rectal pain

  • Weight loss

 

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