Lansoprazole enteric-coated tablets inhibit the secretion of gastric acid by the cells lining the stomach and are used to treat gastric and duodenal ulcers, Drewe-Ayre syndrome and reflux esophagitis. Side effects such as rash, diarrhea, bloating, ALT rise, headache, fever, anemia, leukopenia, drowsiness, insomnia, uric acid rise, thrombocytopenia, and dizziness may be seen with the drug. The drug is not recommended for long-term maintenance therapy. It can also interact with drugs such as phenytoin sodium and acetaminophen, so you should consult a medical professional or pharmacist when using it. Please note that the drug is contraindicated for those who are allergic to it. It should be used with caution in patients of advanced age and those with impaired liver function. Nursing women should avoid using it and stop breastfeeding if the drug is needed. If you need to use the drug, please be sure to strictly follow the instructions of the doctor or pharmacist under the guidance of the medication, do not self-medication.