hello der Chelation therapy. In this treatment, you take a medication that binds with the lead so that it's excreted in your urine. EDTA therapy. Doctors treat adults with lead levels greater than 45 mcg/dL of blood with one or more of three drugs, most commonly a chemical called ethylenediaminetetraacetic acid (EDTA). Depending on your lead level, you may need more than one treatment. In such severe cases, however, it may not be possible to reverse damage that has already occurred. consult physician for further evaluation and treatment.