Shellfish, or crustaceans are generally cross reactive. If one is allergic to one, one should try to avoid all of them.
The list of includes:
Fish are not included in this group.
- Anyone with shellfish allergy, however, should be cautious, because fish and shellfish may be processed together.
- For more on the Prevalence of Seafood Allergy in the United States visit this National Institutes of Health website