Contingency plans should be made in case the promised aids are not available on arrival. U.S. air carriers and cruise lines are required to make reasonable efforts to allow access by disabled persons. Meals may be delayed or inedible, so it is best to carry snacks such as crackers, dried fruits, or nuts. Sugar cubes or candy and injectable glucagon should always be carried in case of hypoglycemia. Traveling companions should know the early signs of hypoglycemia.
Most airlines provide diabetic diets if notified in advance.
It is important for the diabetic traveler to be well equipped because supplies may be difficult to find in other countries. Insulin will remain stable for months at room temperature, but should be protected from extreme heat and freezing cold. Travelers should take enough insulin and syringes to last more than the entire trip, and at least one bottle of regular insulin. Diabetic identification tags or bracelets should be worn. A card with the insulin dose and a doctor's telephone number should be carried.