We are cruising with our dear friends...their allergist tells them that they are the most allergic family he has ever met. SO...on my last
DCL cruise, I did my homework to find out whether this would even be possible for them. At home, Mom makes everything from scratch, having done extensive ingredient checks. Choc chips are one brand only which has been checked to be sure no peanuts in the factory, etc.
One kid has a peanut allergy--he can have an anaphylactic reaction from smelling the aroma from another child's sandwich. Another child is allergic to apples and I'm not sure what else. Both have severe asthma. Mom is allergic to milk and other things, dad to beef and other things (I can't remember their whole list.) I just know that I never have them over for dinner, and if the kids come to play, mom sends food along. We only serve what she sends, etc. In general, life is easier at their house.
Ok, so the ship information. First, you fill out a medical form which you get at the time of booking. Then you call about a month ahead to be sure that they have the information. They will seat the family "alone together." No other people. The servers are very aware of the allergy situation. The server and head server will review it with them on the first night. DLC will bring special food on board if needed, and cook it individually. Room service has a system to "red flag" it if your room calls. (Normally, they have your name and stateroom number flash up when you call).
I checked with our server (who has been on DCL for years), and with the head of dining services. Both expressed that they are very used to dealing with these situations, and felt that it would be no problem. The big thing is that they are given all the needed information a month ahead so that they can purchase special food if needed.
The one "potential" trouble spot for this family was the ice cream station (Scoops). The CM will change gloves before serving them, but there are "open" containers of toppings. Thus, there is no way to absolutely guarantee that a peanut didn't "jump" into the sprinkles or something. Thus, their only ice cream option is "no toppings." This doesn't bother them, as this is their family rule any place. The kid counsellors were aware of the situation, but the kids never ate with the programs.
BTW, all was fine, and mom enjoyed the trip. She felt more relaxed than any other vacation.
So,,,let DCL know your needs...