Crayfish, crabs, shrimps and lobsters are all crustaceans. Where individual results are offered for any of these foods then go by that result. If you get a positive result for one or two of them but the others are not covered due to the size of test you have chosen then it is best to initially stay away from all of the foods for which you have no result. This is because they share some of the same proteins. Once your symptoms have settled down try introducing them one at a time into your diet. If you don’t feel any adverse effects then include them in your rotation diet.

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