After all my research I think it's highly likely she was given a medicine containing arsenic.

经过所有研究，我认为她极有可能服用一种含砷的药。

youdao

A new technology applied to gold concentrates containing arsenic and sulphur fixing of roasting-cyanidation was studied.

研究了高砷、高硫金精矿固化焙烧—氰化新工艺。

youdao

The final solution containing arsenic was treated by adding lime and ferric salt, and waste water reached discharge standard.

最后的含砷溶液加入石灰和铁盐加以处理，废水达到了排放标准。

youdao

Hard to fathom, but he claims he kept 2, 000 tons of phones, batteries, accessories, pagers, cases, chargers and cords--containing arsenic, lead and cadmium--out of landfills last year.

FORBES: Use It Up, Wear It Out