Oral liquids to drink before gastroscopy generally refer to dimethicone oil, streptozotocin, dacronin gel, etc.
1. Dimethylsilicone oil: Dimethylsilicone oil belongs to defoamer, which can change the surface tension of air bubbles in the stomach to make them burst, thus improving the clarity and accuracy of gastroscopy.
2. Streptase protease: it can remove the mucus in the stomach and make the examination more convenient.
3. Dacronin adhesive: it is a local anesthetic, which can reduce the sensitivity of the larynx, reduce the occurrence of vomiting, and lubricate when performing the examination.
Patients should be fasted and dehydrated before gastroscopy, complete the blood routine and other tests, if the patient suffers from severe heart disease and lung disease, it is prohibited to carry out gastroscopy. Patients should follow the doctor’s instructions to take the medicine for the examination.