What are the symptoms of food poisoning from fish?

Symptoms of ciguatera poisoning include nausea, vomiting, diarrhea, dizziness and numbness. You may notice a change in your ability to feel cold. You will think something feels hot when it is actually cold.

Symptoms of scombroid poisoning will usually develop 20 to 30 minutes after you eat an affected fish. They can include flushing (turning red), nausea, vomiting, hives and difficulty breathing. These symptoms are similar to other allergic reactions. However, getting scombroid poisoning does not mean you are allergic to fish.