Report: Tracking system needed to fight fake drugs

WASHINGTON (AP) — Fighting the problem of fake drugs will require putting medications through a chain of custody like U.S. courts require for evidence in a trial, the Institute of Medicine reported Wednesday.

The call for a national drug tracking system comes a week after the Food and Drug Administration warned doctors, for the third time in about a year, that it discovered a counterfeit batch of the cancer drug Avastin that lacked the real tumor-killing ingredient.

Fake and substandard drugs have become an increasing concern as U.S. pharmaceutical companies move more of their manufacturi...