Do not use Tropex Ear Drops: - if you have a perforated (burst) ear drum - if you are allergic (hypersensitive) to Phenazone or any of the other ingredients of Tropex Ear Drops.
The active substance is Phenazone 5.0% w/v (50mg/ml). - The other ingredients are Methyl Parahydroxybenzoate (E218) and Glycerol.