How long can u use this after it expires? ## Hi cindt, According to the manufacturer, Otic Edge (acetic acid + antipyrine + benzocaine + Policosanol) should be properly discarded when it is expired or no longer needed. They then recommend contacting your pharmacist or waste company for specific details on how to go about that safely. Pills are one thing, but when it comes to liquid eye drops, I don't think there's anyway to know for sure if the contents are still safe outside of the marked expiration date, because it may be difficult to determine if the product is degrading or not. How long has it been since the listed expiration date?