Colonoscopy
A colonoscopy is a diagnostic procedure that we use to check your lower digestive tract. We use a long, flexible tube with a camera and pass it through your rectum.
Using a colonoscopy, we can diagnose problems such as ulcers, polyps, and inflammation. We can also find signs of IBD, diverticular disease, and some cancers.
The procedure itself is quick and painless. Many people find preparing for a colonoscopy the hardest part, as it can be a lot to think about. Though, your specialist will guide you through all the steps.
How do I prepare for a colonoscopy?
Preparing for a colonoscopy can be stressful. There are many aspects to consider that put people off getting one. However, if you follow the steps, colonoscopy prep is relatively straightforward.
Colonoscopy preparation usually involves changing your diet a little, fasting and taking laxatives the day before. You may also need to alter your medications temporarily.
A colonoscopy is a very common procedure, so there are plenty of first-hand accounts available online if you want to read about the experiences of others. You can also read our reviews on Doctify to learn about the experience at our private clinic.
Keep reading to learn more about preparing for a colonoscopy.
1 week before
A week before your colonoscopy is a good time to double-check your preparation plan. You may need to stop taking or change your medications at this point.
Medications that could affect your colonoscopy include blood thinners and iron tablets. Our gastroenterologist will inform you of which medications to stop taking and when you will need to do so.
Now is also a good time to ensure you have the laxatives and foods you’ll need. You may also want to get moist wipes to use for a short time while preparing for the colonoscopy.
2 days before
You will need to change your diet for a short time while preparing for your colonoscopy. We recommend following a low-fibre diet for at least two days before the procedure.
Good foods to eat
- Plain chicken or fish without a sauce
- Skinless well-cooked vegetables
- White rice, pasta, and bread
- Fruit without skin or seeds
- Broths and clear soups
- Eggs
- White bread
- Cheese
We also recommend sticking to simple drinks, such as clear fruit juices and smoothies. You may also find the preparation process easier if you stick to soft foods such as vegetable soup.
Avoid eating
- Whole grains, such as brown rice and oatmeal
- Corn, broccoli, cabbage, beans, or peas
- Raw fruit and vegetables
- Red or orange foods
- Fatty, fried foods
- Nuts and seeds
- Tough meat
- Popcorn
- Cereals
If you take any vitamins or supplements, you should also stop taking them. Ensure that you are drinking plenty of water to prevent dehydration later on.
1 day before the procedure
You will need to stop eating solid foods at some point in the day before your colonoscopy. You will receive detailed written instructions on specific times. You will need to stick to clear liquids. If you do eat solid food, you won’t be able to have your colonoscopy.
Clear liquids
- Ice pops
- Clear broth
- Black coffee or tea
- Sports drinks with electrolytes
- Clear juice, such as apple juice
Do not drink
- Milk
- Alcohol
- Orange juice
- Drinks or ice pops with blue, red, or purple dye
You must stay hydrated by drinking plenty of water during this time.
Taking your laxatives
The laxatives will cause forceful diarrhoea. Take the laxatives provided a day before your colonoscopy. These laxatives will clear your bowel to prepare you for the test. If you don’t like the taste, try chilling the drink in the fridge or using a straw.
How many sachets you take and when you take these will depend on the time of your colonoscopy. Your gastroenterologist will inform you of the precise times you should take your laxatives. They will also tell you how to drink them.
We recommend staying close to a toilet during this time as you will need to go multiple times.
You may find it easier to stay home while you prepare and wear loose clothing.
Possible side effects include:
- Bloating
- Cramping
- Feeling thirsty
- Abdominal pain
- Nausea and vomiting
Do not worry if your bowel movements change colour. They may become yellow or clear as you clean out your colon. This is a sign that your colonoscopy prep is working.
The day of the procedure
You won’t be able to eat or drink anything that isn’t water before your colonoscopy. You may take sips of water up until 2 hours before the procedure. Drinking water after this point may cause you to be sick during the colonoscopy.
After the colonoscopy, you should be able to start to eat solid foods again. You’ll want to start with foods and drinks that are gentle on your digestive system.
Book a private colonoscopy
Preparing for a colonoscopy can be a stressful experience, even more so when you are lacking information. At Digestive Health UK, we answer all your questions regarding the procedure and ensure you are fully prepared for it.
We will let you know exactly what you should and shouldn’t eat before the procedure and how to recover gently. Our private specialists prioritise your care and comfort so the whole process is as easy as possible for you.
If you need a colonoscopy, contact us to book a private procedure.
