Plain colonoscopy usually takes 10 to 20 minutes.
Plain colonoscopy is able to visualize colon lesions from the side of the mucosa. Usually, the duration of the examination lasts for 10 to 20 minutes, which is relatively short. When people experience a variety of symptoms such as intestinal adhesions or discomfort, the examination time may be affected and slightly prolonged.
You can keep eating normally after having the examination, but try not to eat spicy and stimulating food. However, if symptoms such as persistent abdominal pain or an increase in the amount of blood in the stool occur, the doctor should be informed promptly.
Before the examination, patients should also pay attention to follow the doctor’s instructions to do a good intestinal cleansing work, which can help to ensure that the examination field of vision is clear.