A Prospective Multicentre Real-world Assessment of the Efficacy of Danning Tablets in Alleviating Digestive Symptoms

Inclusion Criteria: * Patients between 18 and 75 years old * Patients with at least one of the following symptoms: upper abdominal pain, bloating, loss of appetite, acid reflux or constipation * Patients already taking Danning Tablets as part of their regular medicine treatment for dyspepsia * Patients agree to sign the informed consent form Exclusion Criteria: * Past history or comorbidity of malignant tumor * Comorbidity of severe systemic condition including cardiovascular, cerebrovascular, renal and hematopoietic system diseases * Past history of abdominal surgery (post pancreatic surgery, post subtotal gastrectomy; incomplete intestinal obstruction) or mental illness, mobility difficulty (e.g. long-term bed ridden) * Comorbidity of any unstable chronic or acute disease,which may impact the evaluation of treatment efficacy as determined by the research physician * Pregnancy or breastfeeding * Participation in other clinical trials within the past 3 months * Other circumstances determined as ineligible by the research physician