A colonoscopy is essentially a test that you and your doctor can use to find out the exact problems or abnormalities associated with your colon (large intestine) or rectum. During this process, a long flexible tube with a tiny camera is inserted into your rectum at the end of the tube. This way, your doctor can get a full view of the inside of your entire colon to determine the underlying cause of the problem.

It is also called colonoscopy and is an endoscopic examination of the colon and part of the small intestine using a CCD camera or a fiber optic camera. This flexible tube is carefully guided through your anus for proper inspection.

When can you work again after colonoscopy?
You can return to normal life and normal tasks within 24 hours of the procedure as this is considered the ideal time for the sedation to go away.

Is the procedure painful?
No. The procedure is generally not painful. Most patients are given sedatives before the procedure. Yes, you may feel a little gaseous and have some wind cramps if doctors inject air into your intestines during the procedure.

Purpose of colonoscopy
If you are over 45 years old:
Many cases of colorectal cancer were observed in the late 1940s and later. So it is better if you check yourself regularly over 40 or 45 years old. The inevitable sedentary lifestyle and ultra-processed foods increase the risk of colon cancer after aging.

If you are over 40 and have a family history of colorectal cancer:
In some people, colon cancer or colon polyps have an inherited history. If many family members are affected by bowel diseases, your chances are even greater. In this case, it is better to opt for colonoscopy.

If you notice a change in your stool, including pain and bleeding:
If you have persistent bowel obstruction and the symptoms appear dodgy, you should opt for colonoscopy screening. This could lead to results that indicate intestinal infections or polyps. Problems with defecation in chronic diseases can later lead to intestinal problems. In this way the reason could also be known.

If you feel that your bowels are not emptying:
Feeling that your gut doesn’t feel all or part of the waste can cause discomfort if it persists. This could be an indication of an infection that can be demonstrated colonoscopically before treatment. (Also Read: Anatomy of the Colon and Rectum)

Pencil-thin chairs, weakness and fatigue:
If you think this condition will last for a few days, you should opt for colonoscopy because it will determine exactly what is wrong with your colon. Thin stools can be a sign of bowel shrinkage or constipation due to colon cancer. The purpose of colonoscopy here is to determine the cause of the same.

To look for signs of cancer and other problems:
This is the main purpose of daily colonoscopy. Therefore, you should always carefully monitor the symptoms associated with the colon, which appear somewhat unusual, and conduct an appropriate screening.

Chronic constipation or diarrhea:
Sometimes the reason for chronic bowel disease is unknown. And colonoscopy can be done to find out if there are cysts or tumors that damage intestinal health. (Also Read: How Chronic Constipation Affects Your Body)

Examine the symptoms of abdominal pain or bleeding:
If you see red or very dark feces, it may be time to do a colonoscopy screening. If you’ve had stinging pain and tar-like stools for a long time, these are probably the symptoms of colorectal cancer. Colonoscopy can identify the exact cause.

Cost of colonoscopy in India:

The cost of colonoscopy in India is ₹ 2,600 to ₹12,000 in the private sector and 350 to 850 INR in the government sector.


There are several stages of preparation before colonoscopy. So, here are three segments of spans where you can get a gist of how to prepare yourself before the screening. (Also read: Colonoscopy for piles)

7 days before colonoscopy:

A week before colonoscopy, you should:

3 days before colonoscopy:

Before three days of your screening, you should stop consuming nuts, any fruits containing small seeds, tomatoes, corn, popcorn and celery.

The day before colonoscopy:

These are some points you need to consider just before the day of your screening.

5 hours before your screening

2 hours before the colonoscopy

(Also read: Types of colon surgeries)

Take Away

In the end, you need to follow all the instructions that your doctor asks you to follow. Colonoscopy is a procedure in which 5-7 days prior diet matters a lot. If you follow everything as per the guidance, you will have a clear and yellow liquid stool and you are all set for colonoscopy. Expect a sudden urge to run to the toilet as having diarrhea after colonoscopy is quite normal. 

In case you are suffering from hemorrhoids, you can use the prescribed cream. You may also feel anal skin irritation. Use over-the-counter medication such as some creams and baby wipes. You can expect some discomfort associated with screening which is quite normal. So relax and just follow the prescription and instructions by your doctor strictly. Still, if you think you want to know more about the procedure from an experienced doctor, you can consult online or drop us query our medical coordinators will get back to you.

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