In Ear infection Otolev Ear Drop is used to treat ear infections caused by microorganisms such as bacteria. It works by killing and stopping the growth of infection causing microorganisms, thereby clearing the infection. It also helps relieve symptoms such as itching, redness, swelling and ear discharge. Therefore this medicine relieves the inflammation due to these infections. You should use Otolev Ear Drop for as long as it is prescribed, even if your symptoms disappear, otherwise they may come back. Even after your infection is completely cured, you may have to use it occasionally to prevent the symptoms from returning. In Treatment of Bacterial infections Otolev Ear Drop is an antibiotic medicine which can be used to treat many different infections caused by bacteria. These include infections of the ear, nose, throat, lungs, urinary tract, skin, and soft tissues in adults and children. It works by killing and stopping the growth of the bacteria causing the infection. This medicine usually makes you feel better quite quickly. However, you should continue taking it as long as it is prescribed even when you feel better, to make sure that all bacteria are killed and do not become resistant.