If you get a fish allergy rash, you may be reacting to protein in the fish or to fish gelatin. Here's a list of common foods to avoid, if you are allergic.

From canned to sushi, tuna is one of the most commonly eaten fish. Learn more about a fish allergy to tuna with this detailed fact sheet.

If you only get a rash occasionally from eating fish, it might not be a fish allergy at all. Follow along with this online case study.

Find out what makes fish so allergenic ( a protein), learn about common symptoms of fish allergies (rash, wheezing etc) and get tips on coping with a fish allergy.

Before making you give up all seafood because of a potential fish allergy, your doctor might perform a skin test, such as the one in this video, to determine exactly what you're allergic to.

This seafood allergy overview is a must-read for anyone with a suspected fish allergy. Learn more about symptoms like rash, angioedema and anaphylaxis.

A fish allergy can cause a rash, but so can the several other associated conditions discussed on this page. Take a look!

Urticaria, or hives, can be indicative of a fish allergy. Check out this information sheet and pictures of red, itchy, rash-like hives.

Some people with a supposed fish allergy might actually be allergic to a parasite in the fish. The woman in this case study developed a rash just by coming in contact with the parasite.

An affected person might not get a typical rash; however, flushing and itching are usually part of scombroid or histamine fish poisoning, which is unrelated to fish allergy.

Fish that's been stored at too warm of a temperature can develop histamine; this will cause several symptoms, like the urticaria or rash in these pictures, when eaten.