If you just have a colonoscopy, you should keep a light diet for 24 hours after the examination. If you need to have a colonoscopy for treatment, you are advised to eat semi-liquid food, such as white porridge, etc. for 24 hours after the colonoscopy.
Colonoscopy is the most direct and effective way to observe intestinal lesions, if only simple colonoscopy does not require polypectomy and other treatments, it is recommended to maintain a light diet for 24 hours after the examination, and you can eat a moderate amount of eggs, milk, lean meat, and a variety of fresh vegetables and fruits.
If you need to be treated under colonoscopy, it is recommended to eat semi-liquid food, such as porridge, within 24 hours after colonoscopy treatment, and keep a light, easy-to-digest diet within three days after treatment, and avoid eating hard food, such as walnuts, within 24 hours after treatment, and also avoid spicy and irritating foods such as chili peppers, pepper, and cold drinks, as well as raw and cold foods.
If you are not sure about the dietary precautions for colonoscopy you can visit a hospital and consult a specialist.