Shellfish Allergy
Fish Allergy
15/12/2021
Food Allergy Labelling
13/01/2022Shellfish Allergy
Often ๐ฌ๐๐๐๐จ๐จ๐ is what is named to anything coming from the sea.โฃโฃ
But this name seems to be mixed or interchanged with ๐ฌ๐ก๐๐ฅ๐ฅ๐๐ข๐ฌ๐ก.โฃโฃ
Letโs clarify this.โฃโฃ
๐๐ก๐๐ฅ๐ฅ๐๐ข๐ฌ๐ก is made of ๐ด๐ฆ๐ข ๐ฎ๐ฐ๐ญ๐ญ๐ถ๐ด๐ค๐ด and ๐ค๐ณ๐ถ๐ด๐ต๐ข๐ค๐ฆ๐ข๐ฏ๐ดโฃโฃ
Both groups are very different.โฃโฃ
- ๐๐ซ๐ฎ๐ฌ๐ญ๐๐๐๐๐ง๐ฌ are from ๐๐ฉ๐บ๐ญ๐ถ๐ฎ ๐๐ณ๐ต๐ฉ๐ณ๐ฐ๐ฑ๐ฐ๐ฅ๐ขโฃโฃ
- All others are from ๐๐ฉ๐บ๐ญ๐ถ๐ฎ ๐๐ฐ๐ญ๐ญ๐ถ๐ด๐ค๐ขโฃโฃ
The most important allergen is a protein called ๐ญ๐ซ๐จ๐ฉ๐จ๐ฆ๐ฒ๐จ๐ฌ๐ข๐ง, and it can be found in the muscle of any of those species.โฃโฃ
This is the main reason for cross-reactivity between them.โฃโฃ
The incidence of ๐๐ก๐๐ฅ๐ฅ๐๐ข๐ฌ๐ก allergy depends on diet habits:โฃโฃ
- ๐๐ด๐ช๐ข๐ฏ ๐ค๐ฐ๐ถ๐ฏ๐ต๐ณ๐ช๐ฆ๐ด have the highestโฃโฃ
- In ๐๐ฐ๐ณ๐ต๐ถ๐จ๐ข๐ญ, it represents 35% of food allergyโฃโฃ
- In ๐๐ฑ๐ข๐ช๐ฏ is on the riseโฃโฃ
- It is roughly 5 times higher in adultsโฃโฃ
Cross-reactivity:โฃโฃ
- ๐๐๐ซ๐ฒ ๐ฌ๐ฆ๐๐ฅ๐ฅ ๐๐๐ญ๐ฐ๐๐๐ง ๐๐ข๐ฌ๐ก ๐๐ง๐ ๐ฌ๐ก๐๐ฅ๐ฅ๐๐ข๐ฌ๐กโฃโฃ
- ๐๐จ๐ซ๐ ๐ฅ๐ข๐ค๐๐ฅ๐ฒ ๐ญ๐จ ๐๐ ๐๐จ๐ฎ๐ง๐ ๐ฐ๐ข๐ญ๐ก๐ข๐ง ๐ญ๐ก๐ ๐ฌ๐๐ฆ๐ ๐ ๐ซ๐จ๐ฎ๐ฉ๐ฌโฃโฃ
- Often found between ๐ค๐ณ๐ถ๐ด๐ต๐ข๐ค๐ฆ๐ข๐ฏ and ๐ฎ๐ฐ๐ญ๐ญ๐ถ๐ด๐ค๐ดโฃโฃ
- Common between ๐ค๐ณ๐ถ๐ด๐ต๐ข๐ค๐ฆ๐ข๐ฏ๐ด and ๐ฉ๐ฐ๐ถ๐ด๐ฆ ๐ฅ๐ถ๐ด๐ต ๐ฎ๐ช๐ต๐ฆ๐ด, ๐ค๐ฐ๐ค๐ฌ๐ณ๐ฐ๐ข๐ค๐ฉ๐ฆ๐ด, and ๐ฑ๐ข๐ณ๐ข๐ด๐ช๐ต๐ฆ๐ดโฃโฃ
- Possible between ๐ด๐ฏ๐ข๐ช๐ญ๐ด and ๐ฉ๐ฐ๐ถ๐ด๐ฆ ๐ฅ๐ถ๐ด๐ต ๐ฎ๐ช๐ต๐ฆ๐ดโฃโฃ
Important notes:โฃโฃ
- ๐๐ก๐๐ฅ๐ฅ๐๐ข๐ฌ๐ก can cause ๐ง๐ฐ๐ฐ๐ฅ-๐ฅ๐ฆ๐ฑ๐ฆ๐ฏ๐ฅ๐ฆ๐ฏ๐ต ๐ฆ๐น๐ฆ๐ณ๐ค๐ช๐ด๐ฆ-๐ช๐ฏ๐ฅ๐ถ๐ค๐ฆ๐ฅ ๐ข๐ฏ๐ข๐ฑ๐ฉ๐บ๐ญ๐ข๐น๐ช๐ดโฃโฃ
- ๐๐ก๐๐ฅ๐ฅ๐๐ข๐ฌ๐ก can lead to ๐ฐ๐ณ๐ข๐ญ ๐ข๐ญ๐ญ๐ฆ๐ณ๐จ๐บ ๐ด๐บ๐ฏ๐ฅ๐ณ๐ฐ๐ฎ๐ฆ (๐๐๐)โฃโฃ
- ๐๐ช๐ด๐ฉ๐ฆ๐ณ๐ฎ๐ฆ๐ฏ, ๐ณ๐ฆ๐ด๐ต๐ข๐ถ๐ณ๐ข๐ฏ๐ต ๐ธ๐ฐ๐ณ๐ฌ๐ฆ๐ณ๐ด and ๐ง๐ข๐ค๐ต๐ฐ๐ณ๐บ ๐ธ๐ฐ๐ณ๐ฌ๐ฆ๐ณ๐ด can develop ๐ฐ๐ค๐ค๐ถ๐ฑ๐ข๐ต๐ช๐ฐ๐ฏ๐ข๐ญ ๐ฅ๐ฆ๐ณ๐ฎ๐ข๐ต๐ช๐ต๐ช๐ด, ๐ณ๐ฉ๐ช๐ฏ๐ช๐ต๐ช๐ด and ๐ค๐ฐ๐ฏ๐ซ๐ถ๐ฏ๐ค๐ต๐ช๐ท๐ช๐ต๐ช๐ด induced by ๐๐ซ๐ฎ๐ฌ๐ญ๐๐๐๐๐ง๐ฌโฃโฃ
- ๐๐ค๐ค๐ถ๐ฑ๐ข๐ต๐ช๐ฐ๐ฏ๐ข๐ญ ๐ข๐ด๐ต๐ฉ๐ฎ๐ข can happen to workers in ๐ฌ๐ก๐๐ฅ๐ฅ๐๐ข๐ฌ๐ก ๐๐๐๐ญ๐จ๐ซ๐ข๐๐ฌโฃโฃ
As with fish, if you have reacted, but the tests are negative, think of ๐๐ง๐ข๐ฌ๐๐ค๐ข๐ฌ allergy.โฃโฃ
Remember, if you have reacted to ๐๐ซ๐ฎ๐ฌ๐ญ๐๐๐๐๐ง๐ฌ, you need to be tested for ๐ก๐จ๐ฎ๐ฌ๐ ๐๐ฎ๐ฌ๐ญ ๐ฆ๐ข๐ญ๐๐ฌ!โฃโฃ
