Many of us who have MCS/ES find answering the door can be hazardous to our health because frequently those on the other side of the door are marinating in toxic fragrance chemicals.
Sometimes a simple sign like this will do.
Other times it is not enough and we need to provide more information.
I have placed more detailed signs on my doors that help, although there are some who think the signs apply to everyone except themselves. I still point at the sign through the closed door, and point to the person on the other side, and sometimes they still don’t get it and subject me to a face full of chemicals, requiring hours to days of recovery time. However, most people DO get it, and will step back or do as asked in order not to injure me.
I have Word templates here for two different signs that you can download and customize with whatever wording you like and need.
One I use on my door, the other I carry with me, so in case I am unable to speak I might still be able to pull it out of the side pocket of my back-pack.
Download: sign FORMEDICALREASONSdonotapproach
Download: sign STOPSIGN
I think the next time I am able to get something printed, I will add something like “Please step far back from the door, or I cannot open it“, and “Please turn off your cell-phones or other wireless devices“.