shellfish allergy

Often 𝐬𝐞𝐚𝐟𝐨𝐨𝐝 is what is named to anything coming from the sea.⁣⁣

But this name seems to be mixed or interchanged with 𝐬𝐡𝐞𝐥𝐥𝐟𝐢𝐬𝐡.⁣⁣

Let’s clarify this.⁣⁣

𝐒𝐡𝐞𝐥𝐥𝐟𝐢𝐬𝐡 is made of 𝘴𝘦𝘢 𝘮𝘰𝘭𝘭𝘶𝘴𝘤𝘴 and 𝘤𝘳𝘶𝘴𝘵𝘢𝘤𝘦𝘢𝘯𝘴⁣⁣

Both groups are very different.⁣⁣

• 𝐂𝐫𝐮𝐬𝐭𝐚𝐜𝐞𝐚𝐧𝐬 are from 𝘗𝘩𝘺𝘭𝘶𝘮 𝘈𝘳𝘵𝘩𝘳𝘰𝘱𝘰𝘥𝘢⁣⁣
  
• All others are from 𝘗𝘩𝘺𝘭𝘶𝘮 𝘔𝘰𝘭𝘭𝘶𝘴𝘤𝘢⁣⁣

The most important allergen is a protein called 𝐭𝐫𝐨𝐩𝐨𝐦𝐲𝐨𝐬𝐢𝐧, and it can be found in the muscle of any of those species.⁣⁣
This is the main reason for cross-reactivity between them.⁣⁣

















The incidence of 𝐒𝐡𝐞𝐥𝐥𝐟𝐢𝐬𝐡 allergy depends on diet habits:⁣⁣

1. 𝘈𝘴𝘪𝘢𝘯 𝘤𝘰𝘶𝘯𝘵𝘳𝘪𝘦𝘴 have the highest⁣⁣
   
2. In 𝘗𝘰𝘳𝘵𝘶𝘨𝘢𝘭, it represents 35% of food allergy⁣⁣
3. In 𝘚𝘱𝘢𝘪𝘯 is on the rise⁣⁣
4. It is roughly 5 times higher in adults⁣⁣

Cross-reactivity:⁣⁣

1. 𝐕𝐞𝐫𝐲 𝐬𝐦𝐚𝐥𝐥 𝐛𝐞𝐭𝐰𝐞𝐞𝐧 𝐟𝐢𝐬𝐡 𝐚𝐧𝐝 𝐬𝐡𝐞𝐥𝐥𝐟𝐢𝐬𝐡⁣⁣
   
2. 𝐌𝐨𝐫𝐞 𝐥𝐢𝐤𝐞𝐥𝐲 𝐭𝐨 𝐛𝐞 𝐟𝐨𝐮𝐧𝐝 𝐰𝐢𝐭𝐡𝐢𝐧 𝐭𝐡𝐞 𝐬𝐚𝐦𝐞 𝐠𝐫𝐨𝐮𝐩𝐬⁣⁣
3. Often found between 𝘤𝘳𝘶𝘴𝘵𝘢𝘤𝘦𝘢𝘯 and 𝘮𝘰𝘭𝘭𝘶𝘴𝘤𝘴⁣⁣
4. Common between 𝘤𝘳𝘶𝘴𝘵𝘢𝘤𝘦𝘢𝘯𝘴 and 𝘩𝘰𝘶𝘴𝘦 𝘥𝘶𝘴𝘵 𝘮𝘪𝘵𝘦𝘴, 𝘤𝘰𝘤𝘬𝘳𝘰𝘢𝘤𝘩𝘦𝘴, and 𝘱𝘢𝘳𝘢𝘴𝘪𝘵𝘦𝘴⁣⁣
5. Possible between 𝘴𝘯𝘢𝘪𝘭𝘴 and 𝘩𝘰𝘶𝘴𝘦 𝘥𝘶𝘴𝘵 𝘮𝘪𝘵𝘦𝘴⁣⁣

Important notes:⁣⁣

• 𝐒𝐡𝐞𝐥𝐥𝐟𝐢𝐬𝐡 can cause 𝘧𝘰𝘰𝘥-𝘥𝘦𝘱𝘦𝘯𝘥𝘦𝘯𝘵 𝘦𝘹𝘦𝘳𝘤𝘪𝘴𝘦-𝘪𝘯𝘥𝘶𝘤𝘦𝘥 𝘢𝘯𝘢𝘱𝘩𝘺𝘭𝘢𝘹𝘪𝘴⁣⁣
  
• 𝐒𝐡𝐞𝐥𝐥𝐟𝐢𝐬𝐡 can lead to 𝘰𝘳𝘢𝘭 𝘢𝘭𝘭𝘦𝘳𝘨𝘺 𝘴𝘺𝘯𝘥𝘳𝘰𝘮𝘦 (𝐎𝐀𝐒)⁣⁣
• 𝘍𝘪𝘴𝘩𝘦𝘳𝘮𝘦𝘯, 𝘳𝘦𝘴𝘵𝘢𝘶𝘳𝘢𝘯𝘵 𝘸𝘰𝘳𝘬𝘦𝘳𝘴 and 𝘧𝘢𝘤𝘵𝘰𝘳𝘺 𝘸𝘰𝘳𝘬𝘦𝘳𝘴 can develop 𝘰𝘤𝘤𝘶𝘱𝘢𝘵𝘪𝘰𝘯𝘢𝘭 𝘥𝘦𝘳𝘮𝘢𝘵𝘪𝘵𝘪𝘴, 𝘳𝘩𝘪𝘯𝘪𝘵𝘪𝘴 and 𝘤𝘰𝘯𝘫𝘶𝘯𝘤𝘵𝘪𝘷𝘪𝘵𝘪𝘴 induced by 𝐜𝐫𝐮𝐬𝐭𝐚𝐜𝐞𝐚𝐧𝐬⁣⁣
• 𝘖𝘤𝘤𝘶𝘱𝘢𝘵𝘪𝘰𝘯𝘢𝘭 𝘢𝘴𝘵𝘩𝘮𝘢 can happen to workers in 𝐬𝐡𝐞𝐥𝐥𝐟𝐢𝐬𝐡 𝐟𝐚𝐜𝐭𝐨𝐫𝐢𝐞𝐬⁣⁣

As with fish, if you have reacted, but the tests are negative, think of 𝐀𝐧𝐢𝐬𝐚𝐤𝐢𝐬 allergy.⁣⁣

Remember, if you have reacted to 𝐜𝐫𝐮𝐬𝐭𝐚𝐜𝐞𝐚𝐧𝐬, you need to be tested for 𝐡𝐨𝐮𝐬𝐞 𝐝𝐮𝐬𝐭 𝐦𝐢𝐭𝐞𝐬!⁣⁣

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