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Is blood in the stool a sign of cancer?

ANSWER

Cancers can bleed, but so can a bunch of other things, like ulcers, hemorrhoids, infections, or sores. No matter what the cause, blood in your stool needs to be checked out by a doctor. You may need a colonoscopy or other tests to find the problem.

SOURCES:

American Academy of Otolaryngology-Head and Neck Surgery: "Head and Neck Cancer."

American Cancer Society: "Benign breast conditions: Not all lumps are cancer." "Do I Have Testicular Cancer?" "Fever." "Lymph Nodes and Cancer." "Signs and Symptoms of Bladder Cancer." "Signs and symptoms of esophagus cancer." "Signs and symptoms of lung cancer."

American Kidney Fund: "Why do I have blood in my urine?"

American Society of Clinical Oncology: "Appetite Loss." "Weight Loss."

BreastCancer.org: "Symptoms of Breast Cancer."

Cancer Research UK: "Dealing with Sweating." "The Cancer Itself."

Cleveland Clinic: "Fatigue & Cancer Fatigue."

International Foundation for Functional Gastrointestinal Disorders: "Alarm Symptoms: A Cause for Alarm?"

Skin Cancer Foundation: "If You Can Spot It You Can Stop It."

UCLA: "Prostatitis."

UpToDate: "Patient information: Abnormal uterine bleeding (Beyond the Basics)." "Patient Information: Blood in the stool (rectal bleeding) in adults (Beyond the Basics)."

Reviewed by Brunilda Nazario on August 16, 2019

SOURCES:

American Academy of Otolaryngology-Head and Neck Surgery: "Head and Neck Cancer."

American Cancer Society: "Benign breast conditions: Not all lumps are cancer." "Do I Have Testicular Cancer?" "Fever." "Lymph Nodes and Cancer." "Signs and Symptoms of Bladder Cancer." "Signs and symptoms of esophagus cancer." "Signs and symptoms of lung cancer."

American Kidney Fund: "Why do I have blood in my urine?"

American Society of Clinical Oncology: "Appetite Loss." "Weight Loss."

BreastCancer.org: "Symptoms of Breast Cancer."

Cancer Research UK: "Dealing with Sweating." "The Cancer Itself."

Cleveland Clinic: "Fatigue & Cancer Fatigue."

International Foundation for Functional Gastrointestinal Disorders: "Alarm Symptoms: A Cause for Alarm?"

Skin Cancer Foundation: "If You Can Spot It You Can Stop It."

UCLA: "Prostatitis."

UpToDate: "Patient information: Abnormal uterine bleeding (Beyond the Basics)." "Patient Information: Blood in the stool (rectal bleeding) in adults (Beyond the Basics)."

Reviewed by Brunilda Nazario on August 16, 2019

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Could extreme fatigue be a sign of cancer?

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