March 6, 2025
What is a Colonoscopy and Why Is It Important?

Understanding Colonoscopy: A Vital Procedure for Your Health
At Ready Health Standish, we’re committed to providing comprehensive care and ensuring that you stay well-informed about the procedures we offer. One important test that may be recommended for patients is a colonoscopy, a procedure that helps assess the health of your large bowel (colon) and provides vital information about your digestive system.
What is a Colonoscopy?
A colonoscopy is a procedure that allows a specialist to examine the inner lining of your large intestine (rectum and colon) using a flexible telescope known as a colonoscope. The colonoscope is a thin, flexible tube with a camera and light on the end, which provides a clear view of the inside of your bowel.
This procedure is key to detecting various conditions and can be used to diagnose problems early, especially those related to colon health.
What Are the Benefits of a Colonoscopy?
A colonoscopy provides many health benefits, as it can help identify and diagnose conditions such as:
- Ulcers in the colon
- Colon polyps (abnormal growths in the lining of the colon)
- Tumours, including potential cancers
- Areas of inflammation that might indicate conditions like Crohn’s disease or ulcerative colitis
Regular colonoscopies can be crucial in the early detection of serious conditions, including colon cancer, and they allow your healthcare provider to take preventive actions, such as removing polyps before they can develop into cancer.
Is a Colonoscopy Right for Me?
A colonoscopy is often recommended for individuals who experience symptoms such as:
- Abdominal pain
- Rectal bleeding
- Chronic constipation or diarrhoea
- Other intestinal issues
Additionally, if you're over 50, your doctor may recommend a colonoscopy every 10 years, or possibly sooner, to screen for colon cancer. Even if you have no symptoms, age can be a risk factor, and a routine colonoscopy can help catch any early signs of cancer.
If you’ve had polyps before, a follow-up colonoscopy may be recommended to ensure no new polyps have formed. By identifying and removing polyps, your doctor can reduce the risk of developing colon cancer in the future.
What Happens During a Colonoscopy?
Preparing for a Colonoscopy
Preparation is an essential part of the process to ensure that the colon is empty and free from any solid or liquid waste, allowing for a clear view of the colon’s inner lining. Here’s what you need to do before the procedure:
- Two days before the procedure: You will be advised to eat a low-fibre diet, which helps keep the colon clear.
- The day before the procedure: Your doctor will prescribe laxative sachets to help empty your bowels. After taking the first sachet, you’ll experience diarrhoea, so it’s important to stay close to a toilet for the rest of the day.
During the Procedure
On the day of the procedure, you will likely be offered a sedative or painkiller to help you relax and reduce discomfort.
The colonoscope will be inserted into your back passage, and air will be gently blown into the large bowel to expand it for a clearer view. The endoscopist will carefully examine the lining of your colon for any signs of abnormalities such as inflammation, ulcers, or polyps.
If necessary, biopsies can be taken, and photographs can be captured to aid in diagnosis. The entire procedure usually takes between 30 to 45 minutes.
Is the Procedure Painful?
You may feel some pressure or the sensation of the camera entering the bowel, but colonoscopies are generally not painful. However, some bloating or mild stomach cramps are normal due to the air introduced during the procedure.
To ensure your comfort, your doctor may offer sedatives, painkillers, or gas and air before the procedure begins.
Recovery After a Colonoscopy
After the procedure, you will be monitored as you recover from the sedative, typically for about two hours. If you were given a sedative, you should arrange for someone to take you home since driving isn’t permitted for 24 hours following the procedure. It’s also advised that you avoid alcohol or signing any legal documents for the same amount of time.
Some mild bloating is common but will subside within a few hours. Most patients can return to their normal activities, including work, the day after the procedure.
If you did not receive a sedative, you can resume your usual activities immediately after the procedure.
Final Thoughts
A colonoscopy is a crucial tool in detecting and preventing serious colon conditions, including cancer. While it may seem daunting at first, it’s a relatively quick and low-risk procedure that can provide invaluable information about your health.
If you’re due for a colonoscopy or have symptoms that might warrant one, speak with your doctor at Ready Health Standish. We are here to guide you through the process and ensure that you’re in the best hands possible for your health and well-being.
Ready Health Standish is dedicated to providing you with top-notch care and offering clear, understandable information about important health procedures. If you have any questions or concerns, don’t hesitate to reach out to our team!

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