It depends greatly on what bowel preparation regime is used for the colonoscopy. Different centres and endoscopists have their own regimes, which can range from just 3 small cups of laxative fluid, to over 3 Litres of a bowel cleansing agent.
Speak to your endoscopist on their advice regarding mitigating the experience of bowel preparation with respect to the chosen preparation regime.
You can also find out more about colonoscopies in Singapore here.
