Altoxim 50 LB Dry Syrup contains two ingredients, one antibiotic and one probiotic. While the antibiotic helps kill a wide range of bacterial infections, the probiotic prevents the antibiotic from causing digestive problems as a side effect. It does so by restoring the balance of good bacteria in the intestine.Altoxim 50 LB Dry Syrup is an antibiotic Brand. It is commonly given to children to treat a wide range of bacterial infections, including infections of the eyes, middle ear, nose, throat, lungs, skin, bone and joints, gastrointestinal tract, and urinary tract. This Brand inhibits the growth of infection-causing bacteria by stopping it from multiplying.