Before-X is a sterile, mild alkaline skin-and-ear cleansing flush containing Tris-EDTA. It can be applied directly onto the skin or into the ear canal. Flushing with Tris-EDTA is recommended before treatment with other ear products. It can be used in animals with ruptured eardrums, and can also be used for flushing other areas, such as the bladder.Before-X is a sterile, mild alkaline skin-and-ear cleansing flush containing Tris-EDTA. It can be applied directly onto the skin or into the ear canal. Flushing with Tris-EDTA is recommended before treatment with other ear products. It can be used in animals with ruptured eardrums, and can also be used for flushing other areas, such as the bladder.