One of the most common questions that arises with horse owners is worming of their horse, and its an important one! However, misinformation and glossy marketing from several big pharmaceutical companies have contributed to poor use of our deworming drugs to the point there is now widespread drug resistance, this will be devastating for our horses when we're unable to treat basic conditions like intestinal worms. Lets try and clear up some mistruths and set a path forward for better use of these important drugs...