<p>Beclometasone, Chloramphenicol, Clotrimazole &amp; Lidocaine which treats ear infections. Lidocaine is a local anesthetic which works by blocking pain signals from the nerves to brain thereby decreasing pain sensation. Beclometasone is a steroid medicine. It blocks the production of certain chemical messengers (prostaglandins) that make the ear red, swollen and itchy. Clotrimazole is an antifungal which stops the growth of fungi by preventing them from forming their own protective covering. Chloramphenicol is an antibiotic. It stops bacterial growth by preventing synthesis of essential proteins.</p>