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Mode of action

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

  • chelating agent - this is the mode of action when it is used in the treatment of heavy metal poisoning eg lead poisoning, Wilson's disease
  • in cystinuria - thought to form a soluble disulphide complex with cystine

Complexes formed with cystine and with heavy metals eg copper in Wilson's disease, are excreted in the urine.

  • rheumatoid arthritis - the mode of action when used in this condition (and its variants) is not known

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