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Chelation therapy is the preferred medical treatment for metal poisoning, [1] [7] including acute mercury, iron (including in cases of sickle-cell disease and thalassemia), [8] [9] arsenic, lead, uranium, plutonium and other forms of toxic metal poisoning.
Dimercaprol has long been the mainstay of chelation therapy for lead or arsenic poisoning, [7] and it is an essential drug. [6] It is also used as an antidote to the chemical weapon Lewisite. Nonetheless, because it can have serious adverse effects, researchers have also pursued development of less toxic analogues, [7] such as succimer.
Chelation therapy (pronounced key-lay-shun) is “only useful for a handful of cases of toxicity, usually from industrial or environmental illness,” such as water contamination, says Keith Roach ...
Mercury poisoning is a type of metal poisoning due to exposure to mercury. [3] Symptoms depend upon the type, dose, method, and duration of exposure. [3] [4] They may include muscle weakness, poor coordination, numbness in the hands and feet, skin rashes, anxiety, memory problems, trouble speaking, trouble hearing, or trouble seeing. [1]
Succimer, sold under the brand name Chemet among others, is a medication used to treat lead, mercury, and arsenic poisoning. [4] When radiolabeled with technetium-99m, it is used in many types of diagnostic testing. [5]
Chelation therapy is an antidote for poisoning by mercury, arsenic, and lead. Chelating agents convert these metal ions into a chemically and biochemically inert form that can be excreted. Chelation using sodium calcium edetate has been approved by the U.S. Food and Drug Administration (FDA) for serious cases of lead poisoning.
An option for treatment of metal poisoning may be chelation therapy, a technique involving the administration of chelation agents to remove metals from the body. Toxic metals sometimes imitate the action of an essential element, interfering with the metabolic processes resulting in illness .
A California woman is now in a semi-comatose state after she used a Mexican skin cream that was tainted with methylmercury.