What is the efficacy of chelating agents in the treatment of mercury toxicity?

Updated: Nov 05, 2018
  • Author: David A Olson, MD; Chief Editor: Tarakad S Ramachandran, MBBS, MBA, MPH, FAAN, FACP, FAHA, FRCP, FRCPC, FRS, LRCP, MRCP, MRCS  more...
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Despite the increased excretion of mercury with chelating agents, chelation removes only a small portion of the body's mercury stores. Furthermore, the efficacy of chelating agents in treating neurologic complications has not been established; however, among patients with amalgam fillings, placebo responses to chelation treatment have been reported. [95]

Finally, caution is warranted, however, as some physicians have documented initial clinical deterioration during chelation therapy. [86]

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