Counterfeit medicines are medicines that are intentionally labeled to look like the original, produced and sold in place of the original in illegal ways. These medicines may be produced from lower level or completely wrong active ingredients or may be expired and packed with new dated boxes.
In the US, the Food and Drug Administration (FDA) has conducted a study to prevent the sale of counterfeit medicines and according to this study a plan has been prepared.*
The results expected by the FDA when the plan is implemented are as the following:
By the end of November 2017, it became compulsory for all producers to switch to the serialized system and to adapt their procurement processes to this system. **
* https://www.fda.gov/downloads/Drugs/…/CounterfeitMedicine/UCM451841.pdf
** https://www.fda.gov/Drugs/ResourcesForYou/…/CounterfeitMedicine/