How long does it usually take for a baby’s diarrhea to clear up?

Baby diarrhea can be seen in infectious diarrheal diseases, non-infectious diarrheal diseases, how long will be well with the condition itself and whether timely intervention, such as rotavirus enteritis natural course of about 3 to 7 days, some can be longer.
1. Infectious diarrhea disease: can be caused by viral or bacterial infections, the duration of diarrhea and etiology are also related. For example, rotavirus enteritis caused by rotavirus infection, the natural course of the disease is usually about 3~7 days, individual can be extended to more than 2 weeks, such as reasonable intervention, the course of the disease can be relatively shortened.
2. Non-infectious diarrheal diseases: such as lactose intolerance, due to the relative or absolute deficiency of lactase in the intestinal tract, diarrhea symptoms can occur after eating foods containing lactose. Timely adjustment of diet, can be in about 1 ~ 3 days that is relieved.
If the baby’s diarrhea is serious and there is no reasonable intervention, the diarrhea can last for a longer period of time, such as 1~2 months, or even longer, which will seriously affect his/her weight gain. Therefore, it is recommended to consult a specialist for evaluation and judgment.