I found this little article from Medicine Journal Feeds, very interesting. It certainly applies to our family. Our daughter is allergic to peanuts and tree nuts and is just as allergic to sesame. But she has no issue with coconut, thankfully. I know that this is not the case with everyone but I wonder if there is a connection. I am terrified of her having any contact with sesame, especially after I saw her reaction following her most recent skin test.
Just as a side note, a few years ago I had to have an emergency appendectomy. My appendix had cracked and was reacting to a small seed that had gotten stuck. Can you guess what that seed was? Yep, it was a sesame seed! Ggrrrrrrr!