Due to individual differences, there is no absolute fastest laxative, common laxatives are polycarbophil calcium, compound polyethylene glycol electrolyte dispersal, lactulose, keserol and so on.
1. Volumetric laxatives: by increasing the water in the feces, increase the volume of feces, play a role in softening the feces, such as polycarbophil calcium, wheat cellulose and so on.
2. Osmotic laxatives: by forming a hypertonic state, so that the feces absorb water, such as compound polyethylene glycol electrolyte bulk, lactulose, etc..
3. Stimulating laxatives: stimulate intestinal secretion and increase intestinal motility, such as bisacodyl and senna.
4. Lubricating laxatives: lubricate the intestinal wall, play the role of softening feces, such as Keserol, liquid paraffin, and so on.
Laxatives are mainly used for patients with functional constipation, and intestinal cleansing. The use of laxatives may stimulate the digestive tract, causing nausea, vomiting, abdominal pain and other adverse reactions, allergic to the drug patients are prohibited, the use of medication, please follow the doctor’s instructions.