arsenicum album

noun

ar·​sen·​i·​cum album är-ˈse-ni-kəm-ˈal-bəm 

variants or Arsenicum Album also arsenicum or Arsenicum

: a preparation of arsenic trioxide used in homeopathy

Homeopaths start by diluting one volume of their remedy—arsenic oxide, in the case of arsenicum album—in 99 volumes of distilled water or alcohol …

—Martin Robbins, New Scientist

When I travel, the one remedy I won't do without is arsenicum, called for when vomiting, nausea, and diarrhea are caused by spoiled foods.

—Kim Batchelor, Yoga Journal