A California woman can no longer speak or care for herself after using a skin-lightening cream that contained toxic mercury, the CDC reports.
TUESDAY, Dec. 24, 2019 -- A skin-lightening cream from Mexico that contained toxic mercury left a California woman with significant central nervous system damage, doctors report in a case study.
The cream contained a form of organic mercury called methylmercury. This is the first known case of methylmercury poisoning in the United States in nearly 50 years. The woman first sought medical help for involuntary muscle movement and weakness in her shoulders and arms, the case study reported. After two weeks of outpatient care, she was admitted to a hospital with symptoms that included, unsteady gait and difficulty speaking. Blood and urine tests confirmed mercury poisoning.
"Central nervous system toxicity, as in this case, is the hallmark of organic mercury -- it typically comes on after weeks to months of exposure. Once manifested, it quickly progresses and often worsens, despite removal of any further exposure," Blanc said in a UCSF news release."Unfortunately, chelation therapy, which is effective in inorganic mercury poisoning, has not been established to be efficacious for methylmercury.
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