If you've been diagnosed with a seafood allergy, you need to use caution when taking a fish oil supplement. Seafood allergies are a hypersensitivity to the proteins found in the flesh of fish and other seafood. The Food Allergy Initiative states that fish oil doesn't contain fish proteins by is likely to contain small parts of various proteins that could trigger an allergic reaction. Fish oil supplements are typically taken to increase the amount of omega-3's in a person's diet. You can use other supplements that are fish-free to accomplish the same purpose.
Seafood Allergy
Seafood is a common food allergy. Seafood allergies may mean that you are allergic to one or more types of fish. For example, you may be allergic to shellfish, such as shrimp and lobsters but not have an allergy to finned fish, such as salmon. Seafood allergies are commonly correlated to a severe allergic reaction, anaphylaxis. During a seafood allergy, the immune system overreacts to the proteins found in the seafood, according to MayoClinic.com. The body reacts as if it was under attack and fights back by creating immunoglobulin E, or IgE, antibodies. These antibodies cause the body to create various other chemicals that cause allergy symptoms.
Fish Oil Supplements
Fish oil supplements may or may not be safe to take with a seafood allergy. Because you're predisposed to an allergic reaction to seafood, it is advisable to not take a fish oil supplement, according to MedlinePlus. The lack of research and reliable information make it too much of a risk. Talk to your doctor about the benefits and the risks involved with taking fish oil supplements. Some of the side effects of taking fish oil pills are unrelated to an allergic reaction. Common side effects include: nausea, vomiting, diarrhea and headaches.
Symptoms
If you develop symptoms of a seafood allergy after taking a fish oil supplement, discontinue the use and call your doctor. Common symptoms include hives, eczema, skin rashes, nausea, vomiting, cramping, diarrhea, facial swelling, lightheadedness, sinus congestion, runny nose, postnasal drip, difficulty breathing, wheezing, coughing and chest tightness. If you suspect that you're experiencing a severe allergic reaction, call 911.
Risks
If you have a family history of fish allergies, you are at increased risk, according to MayoClinic.com. Seafood allergies are more commonly found in adulthood in women. Boys are more likely to develop a seafood allergy during childhood.
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