Neosporin H Ear Drops 5ml belongs to two classes of medications: antibiotics and steroids. It is primarily used to treat bacterial ear infections. An ear infection occurs when bacteria invade the middle or outer ear, causing pain and inflammation. On the other hand, Neosporin H Ear Drops 5ml can also use to treat ear infections as a complication after ear surgery (e.g., mastoidectomy, fenestration).