An allergic reaction to omega fish oil is caused by an overall allergy to fish. Someone with a fish allergy should not take omega fish oil supplements, unless directed by a doctor. A shellfish allergy is considered by MayoClinic.com to be one of the most common food allergies. An allergic reaction to fish byproducts, such as omega-3 fish oil supplements, could lead to a life-threatening condition. Discuss any supplements with your doctor before taking them.
Fish Allergy
Certain proteins in fish and shellfish can cause an allergic reaction. Although fish oil products do not typically contain proteins from the fish, small traces can still be found, according to the Food Allergy Initiative. The proteins in fish can cause a hypersensitivity of the immune system, which produces a chemical reaction in the body, an allergic reaction.
Symptoms
After ingesting fish products, such as omega fish oil, symptoms of an allergy will develop within a few minutes or hours. The most common symptoms are skin rashes, itching, nausea, vomiting, chest tightness, dizziness, lip swelling, fainting, and tingling sensations in the throat or tongue, according to the Cleveland Clinic. Someone who suffers from asthma or eczema may experience a flare-up of the condition because of the release of histamine in the body.
Treatment
Minor allergic reactions to fish oil may be treated with over-the-counter antihistamines, according to MayoClinic.com. Oral antihistamines will restrict and reduce the amount of histamine in the body, alleviating allergy symptoms. Some antihistamines can cause drowsiness and should be taken with caution. Extreme cases of an allergic reaction to fish oil will require emergency medical intervention.
Alternatives
Avoiding fish and fish byproducts is the best way to prevent an allergic reaction to omega fish oil. People with an allergic reaction to omega fish oil can take alternative omega-3 supplements to acquire the same benefits. Alternative omega supplements are made from algae and are vegetarian, free of any animal byproduct. Talk with a physician before taking an alternative omega supplement.
Consideration
In some cases, people with a severe allergic reaction to fish oil will experience anaphylactic shock. Anaphylactic shock can lead to death if not dealt with in a timely manner. This extreme reaction is caused by the release of histamine throughout the entire body, causing the body to experience a state of physical shock. Call emergency services if someone is experiencing difficulty breathing, throat swelling and dizziness.
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