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Why is colonoscopy done?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am a 50-year-old female. My doctor advised me to undergo colonoscopy as I develop gastrointestinal issues often. I want to know more about colonoscopies and their role in maintaining gastrointestinal health. Specifically, I would like to understand the benefits of undergoing a colonoscopy, including its effectiveness in detecting and preventing colorectal cancer. What age groups are recommended to undergo colonoscopies?

Please suggest.

Answered by Dr. Albana Greca

Education:

MBBS

Professional Bio:

Dr. Albana Greca is a dedicated family physician committed to providing comprehensive and compassionate healthcare for patients of all ages. She focuses on preventive care, accurate diagnosis, and personalized treatment plans to support long-term health and well-being. Dr. Greca has experience managing a wide range of acute and chronic medical conditions, including lifestyle-related health concerns and routine family healthcare needs. Known for her caring and approachable nature, she believes in building strong patient relationships through clear communication and trust. Her goal is to help individuals and families achieve better health outcomes through evidence-based, patient-centered care.  

This doctor is not available for online consultations on the platform anymore.

Hello doctor,

Welcome to icliniq.com.

I understand your concern.

A colonoscopy is a crucial procedure for detecting and preventing colorectal cancer.

Here are some key benefits and recommendations:

  1. A colonoscopy can identify polyps (abnormal growths) in the colon or rectum, which can be removed before they turn into cancer.

  2. It helps in detecting colorectal cancer at an early, more treatable stage.

  3. It is one of the most accurate methods for diagnosing colorectal cancer and other conditions of the colon.

  4. By identifying and removing polyps during the procedure, colonoscopies can prevent the development of colorectal cancer.

  5. Regular screenings can significantly reduce the risk of dying from colorectal cancer by detecting issues before they become severe.

  6. Colonoscopies can help diagnose conditions like Crohn's disease and ulcerative colitis.

  7. It can identify these conditions, which are often associated with inflammation or infection of pouches in the colon wall.

  8. It is generally recommended that individuals at average risk for colorectal cancer begin regular colonoscopies at age 45.

  9. If no polyps or cancer are found, a colonoscopy is typically recommended every 10 years.

  10. Those with a family history of colorectal cancer or polyps may need to start screening earlier, often around age 40, or 10 years younger than the earliest diagnosis in their family.

  11. Individuals with a history of inflammatory bowel disease, previous polyps, or colorectal cancer may need more frequent screenings.

  12. People with hereditary conditions like Lynch syndrome or familial adenomatous polyposis (FAP) may need to start screenings in their teens or twenties and have them more frequently.

  13. Those experiencing symptoms such as rectal bleeding, unexplained weight loss, or persistent abdominal pain should consult their doctor, regardless of age, to determine if a colonoscopy is needed.

By following these recommendations and undergoing regular colonoscopies, individuals can significantly reduce their risk of colorectal cancer through early detection and prevention.

I hope this has helped you. Please feel free to reach me again, in case of further queries.

Thank you.

Medically reviewed by iCliniq medical review team
Published At September 10, 2024
Reviewed At June 25, 2026

Education:

MBBS

Professional Bio:

Dr. Albana Greca is a dedicated family physician committed to providing comprehensive and compassionate healthcare for patients of all ages. She focuses on preventive care, accurate diagnosis, and personalized treatment plans to support long-term health and well-being. Dr. Greca has experience managing a wide range of acute and chronic medical conditions, including lifestyle-related health concerns and routine family healthcare needs. Known for her caring and approachable nature, she believes in building strong patient relationships through clear communication and trust. Her goal is to help individuals and families achieve better health outcomes through evidence-based, patient-centered care.  

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

MBBS

Professional Bio:

Dr. Albana Greca is a dedicated family physician committed to providing comprehensive and compassionate healthcare for patients of all ages. She focuses on preventive care, accurate diagnosis, and personalized treatment plans to support long-term health and well-being. Dr. Greca has experience managing a wide range of acute and chronic medical conditions, including lifestyle-related health concerns and routine family healthcare needs. Known for her caring and approachable nature, she believes in building strong patient relationships through clear communication and trust. Her goal is to help individuals and families achieve better health outcomes through evidence-based, patient-centered care.  

This doctor is not available for online consultations on the platform anymore.

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