With allergies, you can take an antihistamine to knock out the allergic reaction. It's also not asthma, for which one can use an inhaler. We are not all created equal . Even though the various chemical manufacturers, drug manufacturers and federal agencies tend to treat us as if we were all equal in our responses to chemicals, drugs, etc., we are not. It may startle you to find that this is not a new book, despite it's findings being ignored more than used as a basis understanding why it is that people will become affected by chemical exposures at levels far below those deemed safe through research or politicking.
Alternatives do exist.
There are, and more are being developed over time. You will find some effective pest control suggestions in my Natural Pest Control page, which includes links to companies producing truly safer alternatives to the chemicals you use. While pregnant with me, my mother smoked and drank as did most women in the 1950s who smoked and drank before they got pregnant. At the age of seven, we moved to Los Angeles, which ultimately was amongst the cities with such poor air quality that we had smog alerts that kept us inside during recesses. At nineteen, I went to Israel just after the 1973 war as a civilian volunteer to work while everyone of military-service age was still mobilized.