As a very delicious seafood, crab is welcomed by everyone. Moreover, there are many kinds of crabs, and there are many ways to eat crabs. Many people will have allergic reactions after eating crabs, because seafood is relatively easy to make people allergic. Each patient may have different symptoms of allergic reaction, some are mild, some are serious, so the time required for recovery is different.

Some patients' allergic reactions are mild, and generally will subside after a few hours, which is nothing to worry about. Patients can use some drugs to help relieve itching. In some patients, his allergic reaction is very serious. In addition to itching all over, there may be swelling and shortness of breath. This condition may take several days to subside after treatment.

If people have allergic reactions after eating crabs, it is recommended to go to the hospital for treatment in time. Because the condition may deteriorate at any time, it will endanger the life of patients. It is generally necessary to go to the hospital for antiallergic treatment, and patients need to stay away from allergic foods. When insisting on treatment, patients can drink more water to help the body excrete. When patients are allergic, they can also use vomiting to spit out allergens.

To sum up, many people will have allergic reactions after eating crabs. Every patient's allergic symptoms may be different, some are mild and some are serious. Therefore, some people will recover in a few days, and some will only need a few hours to get itchy. In view of this situation, patients should seek medical treatment in time, actively cooperate with the doctor's treatment, and do not delay the illness.