6 , 2007 , to a two-count criminal information charging him with trafficking in counterfeit goods on two separate occasions . According to the plea agreement , in October 2006 Dogmosh negotiated and facilitated the sale of 2,000 counterfeit Viagra pills . The counterfeit pills were identical in shape , size , color and markings to legitimate Viagra pills , but samples later tested by the Food and Drug Administration 's laboratory were determined to be counterfeit . Additional testing also revealed that while the counterfeit Viagra tablets contained almost none of the active pharmaceutical ingredient , sildenafil citrate , the tablets did contain metronidazole ( Flagyl ) - an antibiotic , which if consumed with alcoholic beverages , could cause abdominal cramps , nausea , vomiting , headaches and flushing .