Counterfeiting is becoming more prevalent and in some cases it could be a safety issue.
USA today reports that US customs and border protection agents are seizing more shipments of counterfeit goods.
There are not as many fake designer purses out there but there are more phony medicines.
Counterfeit versions of the cancer drug, Avastin, were found in April.
Just last month the FDA warned about fake versions of the attention deficit hyperactivity disorder drug, Adderall.
Plus earlier this year people suspected of selling phony I-PADs, I-PHONEs, and I-PODs were arrested.
Customs officials are working closely with federal agencies and companies to spot the counterfeit goods and keep them out of the US.