Auroguard is part of the Local Anesthetics class and treats Ear Infection. Local anesthetics are used as anesthesia and to treat pain, postherpetic neuralgia, and ear infections. They work by blocking pain signals in the nerves. Auroguard is only available as a brand name drug. Get Antipyrine/Benzocaine for as low as $19.53, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.