What should I do if I feel nauseous and cannot drink the electrolyte solution before a colonoscopy?

Generally, during a colonoscopy preparation, if you find it difficult to drink the electrolyte water and feel nauseous, this can usually be alleviated by drinking in small, frequent amounts; chilling the solution before drinking; consuming it with bland foods; drinking at a slower pace; or adjusting the drinking temperature. The effectiveness of these methods may vary from person to person. If you have any concerns, it is recommended to consult a healthcare professional in advance. Detailed explanations are as follows:

1. Drink in small, frequent amounts: Divide the electrolyte solution into smaller portions and consume it in small quantities at a time. This prevents gastrointestinal irritation caused by consuming a large volume at once, reduces nausea, and helps you complete the required dosage smoothly.

2. Chill before drinking: Place the electrolyte solution in the refrigerator for a while before consumption. Lowering the temperature can reduce the solution's odor and irritation, making it more palatable and decreasing discomfort and the urge to vomit.

3. Consume with bland foods: During intervals between drinking the electrolyte solution, eat small amounts of bland and easily digestible foods such as steamed buns or bread. This can neutralize tastes in the mouth and gastrointestinal tract and reduce aversion to the electrolyte solution.

4. Slow down your drinking pace: Avoid drinking quickly or gulping large amounts. Instead, drink slowly in small sips, allowing your gastrointestinal tract sufficient time to adjust, thereby reducing gastrointestinal reactions caused by rapid intake and alleviating nausea.

5. Adjust the drinking temperature: If chilled solution remains difficult to tolerate, you may try warming the electrolyte solution to a suitable temperature (not too hot). Warm liquids may be more easily accepted by the gastrointestinal tract, thus reducing the sensation of nausea.

Remain relaxed and avoid excessive anxiety while drinking the electrolyte solution, as tension can worsen discomfort. If you are still unable to tolerate the solution after trying the above methods, or if severe symptoms such as vomiting or abdominal pain occur, promptly inform your doctor, who will assess whether an adjustment to the bowel preparation regimen is necessary.