If it is a normal colonoscopy, you can drink a small amount of water after drinking electrolyte water before the test, but not too much. If it is painless colonoscopy, no more water can be consumed 4 hours before the examination.
Patients undergo enteroscopy, mainly through the anus placed in the enteroscope, clear intestinal wall mucosal damage, to observe whether there is obvious inflammation, rupture, polyps, swelling, etc., generally need to carry out intestinal cleansing, in order to see the intestinal tract. And drinking electrolyte water before colonoscopy is to empty the intestinal tract, at this time the patient can also drink a small amount of water, but should not be too much.
In addition, patients drink electrolyte water if more thirsty or more hungry, at this time it is not recommended to drink a lot of water and diet, can be appropriate infusion of glucose, saline and other ingredients to supplement the body’s need for energy and water. The specific situation is recommended to consult a doctor to do targeted treatment.