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17 Scary Allergy Triggers

Foods, plants, drugs and bugs can cause serious reactions in allergy sufferers.

17 Scary Allergy Triggers

17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
17 Scary Allergens
Tree nuts like walnuts, pecans, cashews and pistachios can also cause anaphylaxis in people with allergies. Some people can tolerate certain nuts, but are sometimes advised to avoid all nuts just in case. (Getty Images)
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