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I'm a Gastroenterologist. These 3 Colon Cancer Symptoms Fool Most People

I'm a Gastroenterologist. These 3 Colon Cancer Symptoms Fool Most People

Summary

Doctors warn that colon cancer can cause symptoms that people often miss, like feeling dizzy, short of breath, or feeling like they still need to go to the bathroom after using it. These symptoms happen because the cancer can cause slow bleeding, leading to low iron levels and anemia. Paying attention to these signs and talking to a doctor early can help catch colon cancer sooner.

Key Facts

  • Colon cancer can cause slow bleeding that may not show up in stool.
  • This bleeding can lead to iron deficiency anemia, causing tiredness, weakness, or dizziness.
  • Shortness of breath can occur because anemia lowers oxygen levels in the body.
  • People may feel like their bowels are not completely empty after a bowel movement, a symptom called tenesmus.
  • Colon cancer is increasing in younger adults, with about 1 in 5 cases diagnosed under age 55.
  • The American Cancer Society estimates around 108,860 new colon cancer cases in the U.S. in 2026.
  • Symptoms like dizziness, breathlessness, and bowel changes can have many causes but should be checked if they continue or worsen.
  • Early detection of colon cancer improves treatment success and outcomes.
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