The drug is mostly used for patients with swallowing difficulties, and for patients suffering from esophagitis, there is also a certain good therapeutic effect, in addition, there are many contraindications when taking this drug, you can ask your physician before taking the drug. The actual fact is that you will be able to get a lot more than just a few of the most effective and most effective products. If the patient does not have symptom relief after taking four courses of medication, it is necessary to go to the hospital for examination.