The upset stomach has eaten lactobacillus does not get better if it is due to abdominal cold, most do not need to use drugs. However, if it is caused by acute gastroenteritis, dyspepsia and other diseases, you also need to take Montelukast, Bifidobacterium, Mosapride, Famotidine and other drugs. 1. Abdominal cold: If the stomach discomfort is caused by abdominal cold when the temperature is lowered, there is no need to take lactobacillus or other medicines, and it can be relieved in a short time after paying proper attention to keep warm. 2. Acute gastroenteritis: patients also need to follow the doctor’s instructions to take montelukast, aluminum thioglycollate and other intestinal mucosal protection agents, or bifidobacteria, Saccharomyces boulardii and other probiotics. 3. dyspepsia: patients need to follow the doctor’s instructions to apply famotidine, cimetidine and other H2 receptor antagonists, or omeprazole, pantoprazole and other proton pump inhibitors, as well as mosapride, domperidone and other gastrointestinal dynamics of the drug. Lactobacillus belongs to a kind of probiotics, usually, the single use of lactobacillus may not have a significant effect on the treatment of the disease, so you need to combine the disease with the application of other drugs. To summarize, the stomach upset eaten lactobacillus not better patients need to go to the hospital, under the guidance of the doctor for targeted treatment. Do not take medication on your own to avoid delaying your condition.