About 80 million US citizens either have some food allergy/intolerance or are following restricted diets such as Gluten-free diets. Milk, soybeans, eggs, wheat, peanuts, nuts, fish and shellfish are responsible for the vast majority of allergies. Such people have to be extra vigilant while traveling and cross-check the food items with the serving staff as an allergic reaction can have grave consequences in an alien environment with language barriers and unfamiliar healthcare protocols. Travelers are therefore advised to avoid any food item in-flight or any other time during the trip if they do not have reasonable confidence that the meal will be considered safe. Travelers should carry back-up foods with them as well.
One must also be aware of common cooking procedures in one’s destination and look out for hidden allergens in ingredients – for example, mashed potatoes may contain peanuts and milk may have been used to make an omelet.
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Food allergy survival tips for travelers