For diarrhea and stomach pain, you can take medications such as montelukast, ciprofloxacin, pyridoxine tablets and belladonna tablets. Diarrhea and stomach pain are mainly caused by acute gastroenteritis attacks, which are commonly caused by unclean diet, abdominal cold, and bacterial and viral infections. For patients with particularly severe diarrhea can use montelukast for antidiarrheal treatment, which is not only more effective, and suitable for a wide range of people, even children can also be used, for patients due to bacterial infection should be treated with antibiotic drugs. Ciprofloxacin is a quinolone antibiotic with a broad-spectrum antibacterial effect, which is good for inflammation caused by bacterial and mycoplasma infections. Piperazine tablets can interfere with the synthesis of bacterial DNA and inhibit the reproduction of bacteria, which is a good treatment for gastroenteritis caused by Escherichia coli, Aspergillus and Shigella spp. If the patient’s stomach pain is particularly severe, he or she can be treated with antispasmodic and analgesic drugs, such as belladonna tablets.