China's state drug administration stipulates that the chemical and common names of drugs are formulated by the State Pharmacopoeia and the drug administration, but the trade names are designated by manufacturers. It is this latter regulation that creates conditions for the renaming and naming of many drugs. In China, there are more than 200 kinds of commonly used drugs with multiple names in recent years, of which 4 names account for 20%, 5 names account for 25%, 7 names account for 15%, and 15% of drugs have more than 10 names. some drugs have more than 20 names, and the most have more than 40 names. All these drugs with multiple names are veritable change soup without changing medicine. The basic content remains the same, but the packaging or individual ingredients change and the curative effect is exactly the same.
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The trade name of the drug may be decided by the manufacturer.