Pregnant women with diarrhea can take lactobacillin tablets, bifidobacterium, montelukast to improve the symptoms. During pregnancy, the body’s immunity decreases, and diarrhea and abdominal pain may occur with a little carelessness in the diet. If the symptoms are not too serious, the symptoms of diarrhea can be improved in most patients by regulating the diet and avoiding spicy, stimulating or greasy foods as much as possible. Lactobacillus tablets can also be taken orally for treatment, and it is safer to use such medication during pregnancy. Yogurt contains probiotics and can be used to regulate gastrointestinal function. If necessary, you can also take oral microecological preparations or bifidobacteria, which can regulate intestinal flora and will not bring greater side effects to pregnant women, and can relieve the symptoms of diarrhea caused by intestinal flora disorders. You should go to the hospital for routine stool examination in time, and if necessary, take relatively safe drugs under the guidance of the doctor, such as montelukast, which is an adsorbent drug and can play the role of adhesion on the surface of the intestine after taking, and can absorb water from the intestine to relieve the symptoms of diarrhea.