If you have diarrhea in pregnancy, you can replenish fluids and use probiotics to regulate the intestinal tract in response to the symptoms, and at the same time use antibiotics for the cause, such as infectious diseases. 1. Symptomatic treatment: due to diarrhea may lose water and electrolytes, especially potassium ions, so the need for rehydration, so as to avoid water-electrolyte disorders, serious consequences, and at the same time can be used such as bifidobacteria and other probiotics to regulate intestinal flora to alleviate the symptoms of diarrhea. At the same time, you can also use antidiarrheal agents such as montelukast. 2. Treatment: The causes of diarrhea in pregnant women may include infectious diseases such as bacillary dysentery, non-infectious diseases such as Crohn’s disease, and bad habits such as poor diet, etc. Infectious diarrhea such as bacillary dysentery can be treated with antibiotics such as cephalosporins, and poor diet can be adjusted by choosing a light and easy-to-digest diet. For specific cases, you can consult your doctor to choose the appropriate treatment.