Many pet owners like to buy their products online, but they don’t always know what they’re actually getting. When you order online products make sure its from a trusted source.  If not the product you order may be ineffective or dangerous for your pet. For example, a customer bought Frontline Plus online for his two cats. Frontline is supposed to kill fleas, flea eggs,  and ticks but when they gave their two cats a dose of Frontline they went from having a few stragglers to a full-blown flea infestation. Since this product didn’t seem to kill the fleas like it was supposed to, one cat started to get a really bad flea allergy and the other started to get sick at the same time.  Be cautious of where your product is coming from; unknown sources may provide fraudulent product or one only available in other countries.  These products are not legal in the US, probably will not be effective, and may be harmful to your pet.   There are different ways to make sure you are getting safe, effective products for your pet. Purchasing from a veterinary hospital is usually the best way to go because veterinarians buy directly from the  manufacturer.  Online products are often diverted through 2nd or 3rd parties.   If buying online be sure you are purchasing from a reputable site. Be sure to check the package graphics, they should match with an authentic box. Keep in mind the even when buying authentic product from a unauthorized online source, manufacturers will not honor the product warrantee if something a problem occurs.  Veterinary medicine is nothing to joke about, if you want the best product for your pet buy it from a trusted source.