Crab and oranges eaten together will produce arsenic trioxide (arsenic), arsenic is very toxic into the human body can destroy certain cellular respiratory enzymes so that the tissue cells can not get oxygen and death; can also be a strong stimulation of the gastrointestinal mucosa mucous membrane so that the mucosa ulcerated bleeding; can also destroy blood vessels bleeding damage to the liver serious respiratory and circulatory failure and death.

Rescue:

1, light drink garlic juice, neutralize the toxicity;

2, heavy go to the hospital for examination.