What to do if you are allergic to crabs
Crab is a favorite seafood for many people, but some people may experience allergic reactions after eating it. Recently, there has been a lot of discussion on food allergy on the Internet, especially after crabs are on the market in autumn, and related cases have increased. This article will combine the hot topics of the past 10 days with a structured analysis of the symptoms, countermeasures and prevention suggestions of crab allergy.
1. Popular allergy-related topics on the Internet in the past 10 days
| Ranking | Topic keywords | heat index | Main discussion platform |
|---|---|---|---|
| 1 | Food allergy first aid | 85,200 | Weibo, Douyin |
| 2 | Crab allergy symptoms | 62,400 | Xiaohongshu, Baidu |
| 3 | Antihistamine drug selection | 47,800 | Zhihu, Bilibili |
| 4 | Seafood allergies in children | 39,500 | Mother and baby community |
2. Common symptoms of crab allergy
According to statistics from the medical platform, reactions to crab allergies usually occur within 30 minutes after consumption:
| Symptom type | Specific performance | Proportion |
|---|---|---|
| skin reaction | Itching, hives, and swollen lips | 68% |
| digestive system | Abdominal pain, diarrhea, nausea and vomiting | 45% |
| respiratory tract | Difficulty breathing, laryngeal edema | 22% |
| Systemic | Anaphylactic shock (emergency treatment required) | 8% |
3. Emergency steps
If an allergic reaction occurs, please follow the following priorities:
1.Stop eating immediately: Remove residual crab meat from mouth
2.mild symptoms: Taking antihistamines such as loratadine (need to confirm that there are no contraindications)
3.moderate symptoms: Add a corticosteroid (such as prednisone) and seek medical advice
4.severe reaction: Call 120 immediately, keep the patient lying down, and use an epinephrine auto-injection pen if necessary
| drug type | Representative medicine | Onset of effect | Things to note |
|---|---|---|---|
| antihistamines | Cetirizine, loratadine | 30 minutes | May cause drowsiness |
| Hormones | dexamethasone, prednisone | 1-2 hours | short term use |
| first aid medication | epinephrine injection | immediately | Need professional guidance |
4. Prevention Suggestions
1.allergy test: A skin prick test can be done before consumption for the first time.
2.Match carefully: Avoid eating with foods high in vitamin C (may aggravate reactions)
3.Special groups: Pregnant women, infants, and asthma patients should strictly avoid high-risk foods
4.Be careful when eating out: Choose a regular restaurant and confirm the risk of cross-contamination of ingredients
5. References to recent hot cases
| Date | Case brief | Disposal method |
|---|---|---|
| October 5 | A college student in Hangzhou developed laryngeal edema after a dinner party | emergency tracheostomy |
| October 8 | Shanghai children vomit after accidentally eating crab roe | Oral rehydration salt observation |
| October 12 | Internet celebrity goes into shock after eating crab live broadcast | Adrenaline rescue |
Recommended for people prone to allergiesMedical warning bracelet, and inform relatives and friends of allergy history. If allergic reactions occur repeatedly, you should go to the allergy department for systematic testing. When eating in autumn, you need to pay attention to the freshness of ingredients. Crabs that have been dead for more than 2 hours are more likely to cause histamine poisoning.
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