1 rich Libsyn https://www.libsyn.com 300 600 Author: Erik Verzemnieks, MD Educational Pearls: &amp;nbsp; Otic (ear) specific antibiotic drops can be expensive Opthalmic (eye) versions are basically identical and can be used as an affordable substitute as many are on the $4 drug lists But don’t do the reverse (don't use ear drops on the eye) Use caution when administering aminoglycoside if tympanic membrane rupture is present &amp;nbsp; References https://tgtfiles.target.com/pharmacy/WCMP02-032536_RxGenericsList_NM7.pdf http://i.walmart.com/i/if/hmp/fusion/four_dollar_drug_list.pdf https://www.uptodate.com/contents/external-otitis-treatment &amp;nbsp; Emergency Medical Minute https://www.emergencymedicalminute.com <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/6847751/height/300/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/fa102a/" height="300" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/22297691