If you are considering buying medication for your pet such as Frontline, Heartgard, Interceptor, Revolution, Sentinel, Advantage, Advantix, or others from ebay, think again.  If you look at the majority of the sellers, they are from out of the country.  You have no idea what you may get, and the dosing may not necessarily be the same.  Other countries may not have the same stringent standards when it comes to production and quality assurance.  There are plenty of veterinary pharmacy sites online where you can buy products made in the United States, and that carry a 100% guarantee from either the online company or the manufacturer.  Ebay does not allow yo