Here is some useful info from a friend of mine.
I know a lot of kids these days have food allergies. I have found a website where you can print out cards to show waiters/cooks to make it extremely clear that someone at your table has food allergies. It is www.foodallergybuddy.com
Also, if you’re traveling to foreign countries, I found another site where you can order cards that can translate food allergies and other medical conditions into different languages.
www.selectwisely dot com/index.htm
I just placed an order myself, and they can email the cards to you rather than shipping if you wish. I received the cards via email the next day.