Children with diarrhea well and constipation, the specific recovery time is affected by the child’s physique, dietary structure and other factors, generally 2 ~ 3 weeks can be recovered. The child’s physique is better, a balanced diet is conducive to the recovery of gastrointestinal function, generally 2~3 weeks can be recovered, but the specific time varies from person to person. Children due to viral or bacterial infections lead to gastrointestinal dysfunction, causing diarrhea. After the treatment of diarrhea after the improvement of constipation may be due to gastrointestinal dysfunction has not yet recovered. It may also be caused by medications taken during diarrhea, such as montelukast for diarrhea, which can dry out the stools and may cause constipation. Constipation can also be caused by a child’s diet that is too low in fiber-rich foods, such as spinach and barley, which reduces gastrointestinal motility. You can increase your child’s intake of crude fiber foods or take probiotics such as Bacillus subtilis to promote gastrointestinal motility. Can also be under the guidance of the doctor to apply laxative drugs (such as lactulose, etc.). It is recommended that when a child has diarrhea and is constipated again, strengthen the care and balance the diet. If necessary, consult a doctor.