After drinking mannitol generally in 40 minutes -2 hours, there will be symptoms of diarrhea, some of the mannitol-sensitive people dozens of minutes will have diarrhea symptoms.
Mannitol is generally used for intestinal surgery, preoperative bowel cleansing preparation, mannitol is not absorbed by the intestinal tract after oral intake, due to high osmolality and will be absorbed by the intestinal tissue water to the intestinal tube, so that the intestinal feces increase the water content of feces, feces become thinner easier to discharge from the intestinal tract, while the intestinal tract dehydration spasms, and its peristaltic ability to increase the appearance of symptoms of diarrhea.
The symptoms of diarrhea usually appear within 40 minutes to 2 hours after oral administration of mannitol, but the time of reaction varies according to each person’s physical condition. Moreover, since mannitol is a dehydrating drug, oral administration may lead to side effects such as body dehydration and electrolyte disorders.
Oral mannitol should be taken under the guidance of a doctor, do not use the drug privately, so as not to aggravate the condition.