An allergy to high fructose corn syrup is not considered a common food allergy, but can affect children and adults alike, according to Baby and Kid Allergies. High fructose corn syrup is a sweetener derived from corn used in sodas, pre-packaged foods and beverages. Allergy symptoms of high fructose corn syrup are similar to that of other food-related allergies, such as dairy, eggs or nuts. Most allergy symptoms to high fructose corn syrup appear within minutes of ingesting the product containing the sugar, according to the Cleveland Clinic. If you believe you have an allergy to high fructose corn syrup, eliminate it from your diet and talk with an allergist.
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Asthma is one of the first symptoms to appear with a high fructose corn syrup allergy, according to MayoClinic.com. Asthma is the swelling of the airways that restricts the person’s ability to breathe normally. Asthma is typically accompanied by shortness of breathe, chest discomfort and wheezing. The closing of the airways can also cause the patient to cough excessively.
During an allergic reaction to high fructose corn syrup, the body produces high amounts of histamine. Histamine is a chemical in the body that causes inflammation in soft tissue. The increased levels of histamine in the lungs, causes inflammation and restricts the normal functionality of the lungs.
Histamine released in the sinus cavity leads to nasal congestion. Nasal congestion is the result of swelling in the nasal cavity that cuts off the person’s ability to breathe through the nose, according to MedlinePlus. Nasal congestion causes excessive pressure to build up throughout the head, causing sinus pressure pain. Most pain is felt behind the eyes, under the cheek bones, in the ear and in the upper teeth. Talk to a doctor if severe head pain forms or continually worsens. This may be a sign of a sinus infection. Other nasal symptoms related to a high fructose corn syrup allergy are sneezing, a runny nose and post-nasal drip, a condition where mucus slowly drips down the back of the throat
Rashes, such as hives and eczema are common symptoms of an allergic reaction to high fructose corn syrup, according to the Cleveland Clinic. Hives and eczema cause inflamed patches of skin that are extremely itchy.
Anaphylactic shock is a severe allergic reaction that could lead to death. If you develop symptoms of swollen lips, hives, anxiety, dizziness and lightheadedness, call 911 immediately.