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Additive and Preservative Allergies

Learn more about allergies to food additives, preservatives and colorings, as well as information on diets to avoid various food additives.

MSG (Monosodium Glutamate)
Learn everything you've ever needed to know about msg (monosodium glutamate) allergy, including symptoms and which allergic diseases may be worsened by eating this flavor enhancer.

Could I Have a Red Dye Allergy?
Learn about the different types of food colorings, including red and yellow dye, that cause allergic reactions, and how to avoid them.

What Are the Symptoms of MSG Allergy?
Learn what symptoms to look for if you think you may have an MSG allergy.

Reactions to Food Additives and Preservatives
There are thousands of substances, natural and artificial, added to foods for the purposes of coloring, flavoring and preserving. Food additives have been implicated as a cause of hives, swelling, asthma and a variety of other adverse symptoms. Find out more about reactions to food additives, what to look for and what foods to avoid.

Sulfite Allergy
Allergic reactions to sulfites can occur in many forms. Sulfites in foods and medications can worsen asthma symptoms, result in hives and even cause life-threatening anaphylaxis. Learn more about sulfite allergy, how it's diagnosed, and what foods and medications should be avoided for people with an allergy to this common preservative.

How to Follow a Tartrazine-Free Diet
Also known as FD&C Yellow #5, tartrazine has been suspected as the cause of many reactions, including hives, swelling and asthma. Learn how to avoid tartrazine-containing foods in your diet.

How To Follow a Food Additive-Free Diet
Food additives and preservatives are commonly added to various foods, and have been blamed for many symptoms related to food allergies. Eliminating additives and preservatives from the diet can be an important part of the diagnosis and treatment of this form of food allergy.

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