If you have been advised to go for a colonoscopy, it is completely normal to feel unsure about what to expect, especially if it is your first time. Many people are less concerned about the procedure itself and more about the preparation beforehand, which can feel unfamiliar or inconvenient. With clear, step-by-step guidance, the process becomes much easier to manage.
Adjusting Your Diet Before a Colonoscopy
Here are some ways to adjust your diet in the days before your colonoscopy screening to ensure a smooth screening procedure.
Start with Low-Fibre Foods
A few days before your appointment, you will typically be advised to switch to a low-fibre diet. This helps reduce the amount of residue in your digestive system. You can opt for foods such as white rice, eggs, lean meats and white bread. Try to avoid high-fibre items like whole grains, nuts, seeds and raw vegetables, as these can be harder to clear from the colon.
Transition to Clear Liquids
On the day before your colonoscopy, you will likely need to follow a clear liquid diet. This includes options such as broth, clear juices without pulp, tea or black coffee without milk, as well as plain water. Although this stage may feel restrictive, it is temporary and plays a key role in preparing your bowel effectively.
What to Know About Bowel Preparation
Proper bowel preparation is essential for a successful colonoscopy screening, as it ensures the colon is completely clear for examination. When the bowel is not adequately cleaned, remaining stool can reduce visibility and make it more difficult to identify issues such as polyps or areas of inflammation.
Here’s what to expect and how to follow the process effectively.
Taking the Prescribed Laxative
Your doctor will prescribe a bowel preparation solution, often referred to as a laxative. This is taken according to a specific schedule, usually the day before and sometimes the morning of the procedure. The solution works by clearing out your bowels through frequent bowel movements. It is important to follow the instructions carefully, including the timing and quantity.
Tips to Make It Easier
Drinking the solution can be challenging for some people, but a few simple strategies can help:
- Chill the solution beforehand for a more tolerable taste
- Use a straw to make it easier to drink
- Take short breaks if needed, while still completing the full dose
What to Expect on the Day of Your Colonoscopy
Knowing what the day of your colonoscopy looks like can help ease nerves. Here’s what you can expect from start to finish.
Fasting Before the Appointment
You will be asked to stop eating and drinking for a certain period before your colonoscopy. This ensures that your stomach and bowel are fully prepared.
Arranging for Support
Because sedation is commonly used during the procedure, you will need someone to accompany you home afterwards. It is best to plan this in advance so you can focus on your recovery without worry.
Wearing Comfortable Clothing
Choose loose, comfortable clothing for your visit. This can help you feel more at ease both before and after the procedure.
What Happens After Your Colonoscopy
Once the procedure is completed, you may feel slightly bloated or drowsy due to the sedation. These effects are usually temporary and should pass within a few hours. You can gradually return to your normal diet unless your doctor advises otherwise. It is also a good idea to take the rest of the day to rest and recover.
Prioritise Your Digestive Health with Dr Chew Min Hoe
Preparing for a colonoscopy screening may require a bit of planning, but each step plays an important role in ensuring accurate results and a safe experience. From adjusting your diet to following the bowel preparation instructions closely, your efforts contribute directly to the success of the procedure.
If you have been advised to undergo a colonoscopy or are experiencing symptoms that require further evaluation, seeking professional guidance can provide clarity and reassurance. At Thesurgeons led by Dr Chew Min Hoe in Singapore, patients receive personalised care tailored to their needs, with a focus on both comfort and clinical excellence. Schedule a consultation to learn more and take the next step towards better digestive health.
Meet Our Colorectal Specialist in Singapore
Dr Chew Min HoeMedical DirectorSenior Consultant, General & Colorectal SurgeonMBBS (Singapore), MRCS (Edinburgh), MMed (Surgery), FRCS (Edinburgh)
Dr Chew Min Hoe has devoted over 25 years of service to the public sector and was the founding Head of the Department of Surgery at Sengkang General Hospital (SKH). His clinical specialty is General and Colorectal Surgery with special niche interests in colorectal cancer, advanced pelvic tumours, hereditary conditions as well as perianal surgery. He is highly involved in education and research, and has published more than 100 peer-reviewed articles.
