Stomach pain may be caused by a variety of reasons, common such as gastrointestinal spasm, acute cholecystitis, appendicitis, digestive perforation, etc. The painkillers that can be taken are norfloxacin, omeprazole, belladonna tablets. Before the situation is not clear, it is recommended not to take painkillers arbitrarily to treat, should be based on different causes of the disease to choose the appropriate drug treatment, it is recommended to take the appropriate medication under the professional guidance of the doctor. If the stomach pain is due to peptic ulcer, gastritis, you can take proton pump inhibitors to inhibit the secretion of gastric acid to reduce pain, such as omeprazole. If the abdominal pain is caused by intestinal inflammation, antibiotic drugs can be taken to treat, such as norfloxacin. If the patient has stomach pain and accompanied by diarrhea, may be due to inflammation caused by infection, anti-infection at the same time this can be oral belladonna tablets, relieve the pain caused by gastrointestinal spasm. Specific medication should follow the doctor’s instructions.