These phony medications are posing as "Frontline" and "Advantage" products. These brands are sold in many pet retail outlets and online stores.
Some of these counterfeit products substitute ingredients that can be deadly, especially for cats.
According to the EPA, the only way you can tell if a package is legit is to physically examine the applicator tubes.
Look for revealing differences which are listed in the EPA's fact sheet.
You can download this fact sheet as a PDF file from the EPA's page on counterfeit pet pesticides by clicking on the image below.
|click this image to be redirected to the EPA's info site on fake pet products|
If you'd like to read the full story as VPI pet insurance reported it, you can click here - they also list how you can learn to identify the real from the fake.