No. A large amount of histamine is produced in the body of dead crabs, and consumption of dead crabs can lead to histamine poisoning. Histamine is an allergic poison and can be described as allergic food poisoning. Symptoms will appear after eating dead crabs for 10 minutes to 3 hours, such as flushing of the cheeks, flushing and and conjunctival congestion of the skin on the chest as well as all over the body, as well as headache, dizziness, tightness in the chest, general weakness and irritability.

Dead crabs can not be eaten, dead crabs another important cause of poisoning is bacterial infection, wild river crabs living environment is not as good as the artificial and marine crabs living environment, once the death of bacteria inside and outside of the body will reproduce in large quantities, decomposition of the crab meat, and produce toxins. The risk of bacterial infection is higher, and bacterial infection is more likely to occur after consumption.

Extended information:

Eating is the harmful effects of crabs

Crab mainly to eat the water corruption of dead fish, dead shrimp for life, crabs with gills to breathe, gill slits often have sludge, weeds and other substances stay, the body is infected with a lot of bacteria, crabs alive, the bacteria can be discharged with the body's metabolism, once the death of the body of bacteria will multiply. Once dead, the bacteria in the body will multiply and decompose the crab meat, some bacteria will produce toxins, dead crabs are easy to be poisoned after eating.

With the prolongation of the crab death time, the crab body accumulates more and more histamine, more and more poisonous gas, even if the crab cooked, this toxin is not easy to be destroyed. Eating such dead crabs will cause food poisoning, common manifestations of nausea, vomiting, abdominal pain, diarrhea; serious cases can occur dehydration, electrolyte disorders, convulsions, and even shock, coma, sepsis and so on.

CCTV food network - why dead crabs can not eat