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Can You Be Allergic to Antibiotics in Food?

Here's another good reason to consider choosing organic fruits and vegetables: the case of a 10-year-old girl who had an anaphylactic reaction to a slice of blueberry pie. Her clinical course has alerted allergists to the possibility that some people can have a severe allergic response to antibiotic residues in food. The young patient had a history of asthma and seasonal allergies as well as anaphylaxis to penicillin and cow's milk, but she had no known allergy to the ingredients in the pie. After ruling out other possibilities, doctors concluded that her reaction was due to a blueberry in the pie contaminated with streptomycin, an antibiotic used in agriculture as a pesticide in fruit to combat the growth of bacteria, fungi and algae and in medicine as a treatment for tuberculosis. While allergic reactions like this one are considered rare, the American College of Allergy, Asthma and Immunology noted that allergists and emergency room personnel should be aware of the possibility that antibiotic residues can trigger allergic reactions.