Pharmacovigilance activities are activities to monitor, identify, assess and control adverse drug reactions and other harmful reactions related to the use of drugs. 
Suspected adverse drug reactions include harmful reactions unrelated to the purpose of medication that occur with qualified drugs under normal usage and dosage, as well as other harmful reactions suspected to be related to drugs, such as those that may be related to the drug quality , overdosage , medication errors. 
Dear customers, if you have suspected adverse drug reactions after using any of the products of Sichuan Yuanda Shuyang Pharmaceutical Co.,Ltd., please report them through this page.