Otodex Ear Drops. Otodex Ear Drops for cats and dogs are a fast acting formula to clear wax, relieve scratching and kill ear mites in dogs and cats. It contains a wax solvent to remove wax, fungicides, and bactericides including anti-bacterial. Otodex Ear Drops are useful for common and difficult to treat bacterium in chronic ear cases. Relieves scratching and kills ear mites in dogs and cats Clears ear wax Contains 14ml Useful for common and difficult to treat bacterium in chronic ear cases Active Ingredients Phenoxyethanol 1.0%w/w, Chlorobutanol Hemihydrate 1.1%w/w in a Propylene Glycol base. Do not store above 25 C, For external use only, For animal use only