What do people who suffer from environmental or food allergies need to know?
There's not a lot of awareness in Vietnamese society about food allergies (peanuts, eggs, gluten) so you'll have to be very specific/careful about asking about ingredients in restaurants. That said the food options in Hanoi are so plentiful and varied that you probably won't have too much difficulty avoiding food allergens, especially if you cook from scratch. Pollen isn't an issue but winter air pollution can exacerbate respiratory allergies. - Dec 12, 2017
Seafood is in almost everything. - May 4, 2016
Mold can be a problem in your house if you're not diligent. As in other parts of Asia, food allergies aren't really understood. For example, if you say you have a nut allergy, they may not put nuts in the dish, but they may cook it in peanut oil - Aug 14, 2015