Constipation may be indigestion, organic constipation, if the constipation caused by indigestion, taking lactasexen about 3~4 days have effect, the specific time varies from person to person. If the organic constipation taking lactasexen has no effect. Lactase is a digestive aid, if it is indigestion caused by constipation, taking lactase has a certain effect, about 3 to 4 days can see the effect, the specific time and personal constitution related. Organic constipation, such as intestinal polyps, intestinal obstruction, hemorrhoids and other diseases caused by constipation, simply taking Lactasexant has no effect. Lactasexan adverse reactions are not clear, allergic to the drug is prohibited, can not be taken at the same time with antibiotics, activated charcoal, tannin, bismuth. It is recommended to consult a doctor to identify the cause of the constipation and follow the doctor’s instructions.